Home / 424,927,357.90-637,391,036.85-252,315,321.10

Finding the Fourth Proportional to 424,927,357.90, 637,391,036.85 and 252,315,321.10

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Solution

The fourth proportional to 424,927,357.90, 637,391,036.85 and 252,315,321.10 is: 378,472,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,927,357.90 : 637,391,036.85 = 252,315,321.10 : x
  2. Step 2: Convert to fraction form
    424,927,357.90/637,391,036.85 = 252,315,321.10/x
  3. Step 3: Cross multiply
    424,927,357.90x = 637,391,036.85 × 252,315,321.10
  4. Step 4: Simplify right side
    424,927,357.90x = 160,823,524,129,069,696
  5. Step 5: Solve for x
    x = 160,823,524,129,069,696/424,927,357.90
  6. Step 6: Final answer
    x = 378,472,981.65

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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.