Home / 288,340,549,378.29-432,468,723,191.54-84,078,847,335.15

Finding the Fourth Proportional to 288,340,549,378.29, 432,468,723,191.54 and 84,078,847,335.15

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Solution

The fourth proportional to 288,340,549,378.29, 432,468,723,191.54 and 84,078,847,335.15 is: 126,105,994,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,340,549,378.29 : 432,468,723,191.54 = 84,078,847,335.15 : x
  2. Step 2: Convert to fraction form
    288,340,549,378.29/432,468,723,191.54 = 84,078,847,335.15/x
  3. Step 3: Cross multiply
    288,340,549,378.29x = 432,468,723,191.54 × 84,078,847,335.15
  4. Step 4: Simplify right side
    288,340,549,378.29x = 36,361,471,754,448,729,538,560
  5. Step 5: Solve for x
    x = 36,361,471,754,448,729,538,560/288,340,549,378.29
  6. Step 6: Final answer
    x = 126,105,994,570.83

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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.