Home / 751,247,998.20-1,126,871,997.30-615,087,127.80

Finding the Fourth Proportional to 751,247,998.20, 1,126,871,997.30 and 615,087,127.80

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Solution

The fourth proportional to 751,247,998.20, 1,126,871,997.30 and 615,087,127.80 is: 922,630,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,247,998.20 : 1,126,871,997.30 = 615,087,127.80 : x
  2. Step 2: Convert to fraction form
    751,247,998.20/1,126,871,997.30 = 615,087,127.80/x
  3. Step 3: Cross multiply
    751,247,998.20x = 1,126,871,997.30 × 615,087,127.80
  4. Step 4: Simplify right side
    751,247,998.20x = 693,124,460,217,506,304
  5. Step 5: Solve for x
    x = 693,124,460,217,506,304/751,247,998.20
  6. Step 6: Final answer
    x = 922,630,691.70

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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.