Home / 523,587,753.96-722,553,288.24-288,633,259.32

Finding the Fourth Proportional to 523,587,753.96, 722,553,288.24 and 288,633,259.32

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Solution

The fourth proportional to 523,587,753.96, 722,553,288.24 and 288,633,259.32 is: 398,315,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,587,753.96 : 722,553,288.24 = 288,633,259.32 : x
  2. Step 2: Convert to fraction form
    523,587,753.96/722,553,288.24 = 288,633,259.32/x
  3. Step 3: Cross multiply
    523,587,753.96x = 722,553,288.24 × 288,633,259.32
  4. Step 4: Simplify right side
    523,587,753.96x = 208,552,910,617,094,624
  5. Step 5: Solve for x
    x = 208,552,910,617,094,624/523,587,753.96
  6. Step 6: Final answer
    x = 398,315,103.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.