Home / 425,575,237.20-637,866,844.20-195,567,572.40

Finding the Fourth Proportional to 425,575,237.20, 637,866,844.20 and 195,567,572.40

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Solution

The fourth proportional to 425,575,237.20, 637,866,844.20 and 195,567,572.40 is: 293,123,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,575,237.20 : 637,866,844.20 = 195,567,572.40 : x
  2. Step 2: Convert to fraction form
    425,575,237.20/637,866,844.20 = 195,567,572.40/x
  3. Step 3: Cross multiply
    425,575,237.20x = 637,866,844.20 × 195,567,572.40
  4. Step 4: Simplify right side
    425,575,237.20x = 124,746,070,234,643,040
  5. Step 5: Solve for x
    x = 124,746,070,234,643,040/425,575,237.20
  6. Step 6: Final answer
    x = 293,123,422.91

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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.