Home / 1,913,263,383.67-2,869,895,112.39-459,240,807.67

Finding the Fourth Proportional to 1,913,263,383.67, 2,869,895,112.39 and 459,240,807.67

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Solution

The fourth proportional to 1,913,263,383.67, 2,869,895,112.39 and 459,240,807.67 is: 688,861,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,263,383.67 : 2,869,895,112.39 = 459,240,807.67 : x
  2. Step 2: Convert to fraction form
    1,913,263,383.67/2,869,895,112.39 = 459,240,807.67/x
  3. Step 3: Cross multiply
    1,913,263,383.67x = 2,869,895,112.39 × 459,240,807.67
  4. Step 4: Simplify right side
    1,913,263,383.67x = 1,317,972,949,334,994,176
  5. Step 5: Solve for x
    x = 1,317,972,949,334,994,176/1,913,263,383.67
  6. Step 6: Final answer
    x = 688,861,220.36

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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.