Home / 1,089,038,591.46-1,503,000,312.75-619,210,309.50

Finding the Fourth Proportional to 1,089,038,591.46, 1,503,000,312.75 and 619,210,309.50

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Solution

The fourth proportional to 1,089,038,591.46, 1,503,000,312.75 and 619,210,309.50 is: 854,582,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,038,591.46 : 1,503,000,312.75 = 619,210,309.50 : x
  2. Step 2: Convert to fraction form
    1,089,038,591.46/1,503,000,312.75 = 619,210,309.50/x
  3. Step 3: Cross multiply
    1,089,038,591.46x = 1,503,000,312.75 × 619,210,309.50
  4. Step 4: Simplify right side
    1,089,038,591.46x = 930,673,288,836,524,288
  5. Step 5: Solve for x
    x = 930,673,288,836,524,288/1,089,038,591.46
  6. Step 6: Final answer
    x = 854,582,469.47

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,089,038,592.46, 1,503,000,314.13 and 619,210,310.50
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.