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Finding the Fourth Proportional to 524,500,627.67, 786,363,081.80 and 317,192,950.27

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Solution

The fourth proportional to 524,500,627.67, 786,363,081.80 and 317,192,950.27 is: 475,554,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,500,627.67 : 786,363,081.80 = 317,192,950.27 : x
  2. Step 2: Convert to fraction form
    524,500,627.67/786,363,081.80 = 317,192,950.27/x
  3. Step 3: Cross multiply
    524,500,627.67x = 786,363,081.80 × 317,192,950.27
  4. Step 4: Simplify right side
    524,500,627.67x = 249,428,825,895,999,456
  5. Step 5: Solve for x
    x = 249,428,825,895,999,456/524,500,627.67
  6. Step 6: Final answer
    x = 475,554,866.36

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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.