Home / 288,340,549,379.29-432,468,723,193.04-84,078,847,336.15

Finding the Fourth Proportional to 288,340,549,379.29, 432,468,723,193.04 and 84,078,847,336.15

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Solution

The fourth proportional to 288,340,549,379.29, 432,468,723,193.04 and 84,078,847,336.15 is: 126,105,994,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,340,549,379.29 : 432,468,723,193.04 = 84,078,847,336.15 : x
  2. Step 2: Convert to fraction form
    288,340,549,379.29/432,468,723,193.04 = 84,078,847,336.15/x
  3. Step 3: Cross multiply
    288,340,549,379.29x = 432,468,723,193.04 × 84,078,847,336.15
  4. Step 4: Simplify right side
    288,340,549,379.29x = 36,361,471,755,007,318,556,672
  5. Step 5: Solve for x
    x = 36,361,471,755,007,318,556,672/288,340,549,379.29
  6. Step 6: Final answer
    x = 126,105,994,572.33

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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.