Home / 425,575,280.20-637,866,908.70-195,567,615.40

Finding the Fourth Proportional to 425,575,280.20, 637,866,908.70 and 195,567,615.40

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Solution

The fourth proportional to 425,575,280.20, 637,866,908.70 and 195,567,615.40 is: 293,123,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,575,280.20 : 637,866,908.70 = 195,567,615.40 : x
  2. Step 2: Convert to fraction form
    425,575,280.20/637,866,908.70 = 195,567,615.40/x
  3. Step 3: Cross multiply
    425,575,280.20x = 637,866,908.70 × 195,567,615.40
  4. Step 4: Simplify right side
    425,575,280.20x = 124,746,110,277,028,528
  5. Step 5: Solve for x
    x = 124,746,110,277,028,528/425,575,280.20
  6. Step 6: Final answer
    x = 293,123,487.38

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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.