Home / 723,458,051.20-1,085,187,076.80-695,240,502.40

Finding the Fourth Proportional to 723,458,051.20, 1,085,187,076.80 and 695,240,502.40

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Solution

The fourth proportional to 723,458,051.20, 1,085,187,076.80 and 695,240,502.40 is: 1,042,860,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,458,051.20 : 1,085,187,076.80 = 695,240,502.40 : x
  2. Step 2: Convert to fraction form
    723,458,051.20/1,085,187,076.80 = 695,240,502.40/x
  3. Step 3: Cross multiply
    723,458,051.20x = 1,085,187,076.80 × 695,240,502.40
  4. Step 4: Simplify right side
    723,458,051.20x = 754,466,008,472,419,328
  5. Step 5: Solve for x
    x = 754,466,008,472,419,328/723,458,051.20
  6. Step 6: Final answer
    x = 1,042,860,753.60

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1.5x scale

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.