Home / 887,792,354.70-1,331,688,532.05-479,645,666.70

Finding the Fourth Proportional to 887,792,354.70, 1,331,688,532.05 and 479,645,666.70

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Solution

The fourth proportional to 887,792,354.70, 1,331,688,532.05 and 479,645,666.70 is: 719,468,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,792,354.70 : 1,331,688,532.05 = 479,645,666.70 : x
  2. Step 2: Convert to fraction form
    887,792,354.70/1,331,688,532.05 = 479,645,666.70/x
  3. Step 3: Cross multiply
    887,792,354.70x = 1,331,688,532.05 × 479,645,666.70
  4. Step 4: Simplify right side
    887,792,354.70x = 638,738,633,791,866,496
  5. Step 5: Solve for x
    x = 638,738,633,791,866,496/887,792,354.70
  6. Step 6: Final answer
    x = 719,468,500.05

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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.