Home / 15,490,016,543.70-23,239,766,720.12-7,932,152,486.95

Finding the Fourth Proportional to 15,490,016,543.70, 23,239,766,720.12 and 7,932,152,486.95

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Solution

The fourth proportional to 15,490,016,543.70, 23,239,766,720.12 and 7,932,152,486.95 is: 11,900,656,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490,016,543.70 : 23,239,766,720.12 = 7,932,152,486.95 : x
  2. Step 2: Convert to fraction form
    15,490,016,543.70/23,239,766,720.12 = 7,932,152,486.95/x
  3. Step 3: Cross multiply
    15,490,016,543.70x = 23,239,766,720.12 × 7,932,152,486.95
  4. Step 4: Simplify right side
    15,490,016,543.70x = 184,341,373,385,169,436,672
  5. Step 5: Solve for x
    x = 184,341,373,385,169,436,672/15,490,016,543.70
  6. Step 6: Final answer
    x = 11,900,656,972.51

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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.