Home / 543,895,947.20-815,842,909.92-170,432,431.04

Finding the Fourth Proportional to 543,895,947.20, 815,842,909.92 and 170,432,431.04

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Solution

The fourth proportional to 543,895,947.20, 815,842,909.92 and 170,432,431.04 is: 255,648,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,895,947.20 : 815,842,909.92 = 170,432,431.04 : x
  2. Step 2: Convert to fraction form
    543,895,947.20/815,842,909.92 = 170,432,431.04/x
  3. Step 3: Cross multiply
    543,895,947.20x = 815,842,909.92 × 170,432,431.04
  4. Step 4: Simplify right side
    543,895,947.20x = 139,046,090,484,413,312
  5. Step 5: Solve for x
    x = 139,046,090,484,413,312/543,895,947.20
  6. Step 6: Final answer
    x = 255,648,329.80

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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.