Home / 684,288,001.20-1,026,432,001.80-173,684,737.20

Finding the Fourth Proportional to 684,288,001.20, 1,026,432,001.80 and 173,684,737.20

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Solution

The fourth proportional to 684,288,001.20, 1,026,432,001.80 and 173,684,737.20 is: 260,527,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,288,001.20 : 1,026,432,001.80 = 173,684,737.20 : x
  2. Step 2: Convert to fraction form
    684,288,001.20/1,026,432,001.80 = 173,684,737.20/x
  3. Step 3: Cross multiply
    684,288,001.20x = 1,026,432,001.80 × 173,684,737.20
  4. Step 4: Simplify right side
    684,288,001.20x = 178,275,572,486,302,912
  5. Step 5: Solve for x
    x = 178,275,572,486,302,912/684,288,001.20
  6. Step 6: Final answer
    x = 260,527,105.80

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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.