Home / 425,169,640.80-637,754,461.20-322,377,141.60

Finding the Fourth Proportional to 425,169,640.80, 637,754,461.20 and 322,377,141.60

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Solution

The fourth proportional to 425,169,640.80, 637,754,461.20 and 322,377,141.60 is: 483,565,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,169,640.80 : 637,754,461.20 = 322,377,141.60 : x
  2. Step 2: Convert to fraction form
    425,169,640.80/637,754,461.20 = 322,377,141.60/x
  3. Step 3: Cross multiply
    425,169,640.80x = 637,754,461.20 × 322,377,141.60
  4. Step 4: Simplify right side
    425,169,640.80x = 205,597,460,244,304,128
  5. Step 5: Solve for x
    x = 205,597,460,244,304,128/425,169,640.80
  6. Step 6: Final answer
    x = 483,565,712.40

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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.