Home / 288,340,549,382.28-432,468,723,197.56-84,078,847,339.16

Finding the Fourth Proportional to 288,340,549,382.28, 432,468,723,197.56 and 84,078,847,339.16

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Solution

The fourth proportional to 288,340,549,382.28, 432,468,723,197.56 and 84,078,847,339.16 is: 126,105,994,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,340,549,382.28 : 432,468,723,197.56 = 84,078,847,339.16 : x
  2. Step 2: Convert to fraction form
    288,340,549,382.28/432,468,723,197.56 = 84,078,847,339.16/x
  3. Step 3: Cross multiply
    288,340,549,382.28x = 432,468,723,197.56 × 84,078,847,339.16
  4. Step 4: Simplify right side
    288,340,549,382.28x = 36,361,471,756,689,091,854,336
  5. Step 5: Solve for x
    x = 36,361,471,756,689,091,854,336/288,340,549,382.28
  6. Step 6: Final answer
    x = 126,105,994,576.86

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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.