Home / 424,927,358.40-637,391,037.60-252,315,321.60

Finding the Fourth Proportional to 424,927,358.40, 637,391,037.60 and 252,315,321.60

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Solution

The fourth proportional to 424,927,358.40, 637,391,037.60 and 252,315,321.60 is: 378,472,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,927,358.40 : 637,391,037.60 = 252,315,321.60 : x
  2. Step 2: Convert to fraction form
    424,927,358.40/637,391,037.60 = 252,315,321.60/x
  3. Step 3: Cross multiply
    424,927,358.40x = 637,391,037.60 × 252,315,321.60
  4. Step 4: Simplify right side
    424,927,358.40x = 160,823,524,637,001,696
  5. Step 5: Solve for x
    x = 160,823,524,637,001,696/424,927,358.40
  6. Step 6: Final answer
    x = 378,472,982.40

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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.