Home / 2,780,126,742.60-4,170,126,350.70-1,399,570,518.60

Finding the Fourth Proportional to 2,780,126,742.60, 4,170,126,350.70 and 1,399,570,518.60

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Solution

The fourth proportional to 2,780,126,742.60, 4,170,126,350.70 and 1,399,570,518.60 is: 2,099,323,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,126,742.60 : 4,170,126,350.70 = 1,399,570,518.60 : x
  2. Step 2: Convert to fraction form
    2,780,126,742.60/4,170,126,350.70 = 1,399,570,518.60/x
  3. Step 3: Cross multiply
    2,780,126,742.60x = 4,170,126,350.70 × 1,399,570,518.60
  4. Step 4: Simplify right side
    2,780,126,742.60x = 5,836,385,899,276,724,224
  5. Step 5: Solve for x
    x = 5,836,385,899,276,724,224/2,780,126,742.60
  6. Step 6: Final answer
    x = 2,099,323,678.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.