Home / 461,852,489.71-637,351,356.40-250,154,053.57

Finding the Fourth Proportional to 461,852,489.71, 637,351,356.40 and 250,154,053.57

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Solution

The fourth proportional to 461,852,489.71, 637,351,356.40 and 250,154,053.57 is: 345,209,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,852,489.71 : 637,351,356.40 = 250,154,053.57 : x
  2. Step 2: Convert to fraction form
    461,852,489.71/637,351,356.40 = 250,154,053.57/x
  3. Step 3: Cross multiply
    461,852,489.71x = 637,351,356.40 × 250,154,053.57
  4. Step 4: Simplify right side
    461,852,489.71x = 159,436,025,351,797,760
  5. Step 5: Solve for x
    x = 159,436,025,351,797,760/461,852,489.71
  6. Step 6: Final answer
    x = 345,209,842.76

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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.