Home / 988,410,042.15-1,364,002,114.98-542,380,867.92

Finding the Fourth Proportional to 988,410,042.15, 1,364,002,114.98 and 542,380,867.92

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Solution

The fourth proportional to 988,410,042.15, 1,364,002,114.98 and 542,380,867.92 is: 748,483,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,410,042.15 : 1,364,002,114.98 = 542,380,867.92 : x
  2. Step 2: Convert to fraction form
    988,410,042.15/1,364,002,114.98 = 542,380,867.92/x
  3. Step 3: Cross multiply
    988,410,042.15x = 1,364,002,114.98 × 542,380,867.92
  4. Step 4: Simplify right side
    988,410,042.15x = 739,808,650,967,568,000
  5. Step 5: Solve for x
    x = 739,808,650,967,568,000/988,410,042.15
  6. Step 6: Final answer
    x = 748,483,543.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.