Home / 288,340,549,380.28-432,468,723,194.56-84,078,847,337.16

Finding the Fourth Proportional to 288,340,549,380.28, 432,468,723,194.56 and 84,078,847,337.16

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Solution

The fourth proportional to 288,340,549,380.28, 432,468,723,194.56 and 84,078,847,337.16 is: 126,105,994,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,340,549,380.28 : 432,468,723,194.56 = 84,078,847,337.16 : x
  2. Step 2: Convert to fraction form
    288,340,549,380.28/432,468,723,194.56 = 84,078,847,337.16/x
  3. Step 3: Cross multiply
    288,340,549,380.28x = 432,468,723,194.56 × 84,078,847,337.16
  4. Step 4: Simplify right side
    288,340,549,380.28x = 36,361,471,755,571,918,012,416
  5. Step 5: Solve for x
    x = 36,361,471,755,571,918,012,416/288,340,549,380.28
  6. Step 6: Final answer
    x = 126,105,994,573.86

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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.