Home / 10,990,626,341.64-16,487,778,327.84-8,629,692,059.16

Finding the Fourth Proportional to 10,990,626,341.64, 16,487,778,327.84 and 8,629,692,059.16

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Solution

The fourth proportional to 10,990,626,341.64, 16,487,778,327.84 and 8,629,692,059.16 is: 12,945,981,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,626,341.64 : 16,487,778,327.84 = 8,629,692,059.16 : x
  2. Step 2: Convert to fraction form
    10,990,626,341.64/16,487,778,327.84 = 8,629,692,059.16/x
  3. Step 3: Cross multiply
    10,990,626,341.64x = 16,487,778,327.84 × 8,629,692,059.16
  4. Step 4: Simplify right side
    10,990,626,341.64x = 142,284,449,708,951,191,552
  5. Step 5: Solve for x
    x = 142,284,449,708,951,191,552/10,990,626,341.64
  6. Step 6: Final answer
    x = 12,945,981,901.86

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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.