Home / 988,410,024.17-1,364,002,090.20-542,380,850.05

Finding the Fourth Proportional to 988,410,024.17, 1,364,002,090.20 and 542,380,850.05

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Solution

The fourth proportional to 988,410,024.17, 1,364,002,090.20 and 542,380,850.05 is: 748,483,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,410,024.17 : 1,364,002,090.20 = 542,380,850.05 : x
  2. Step 2: Convert to fraction form
    988,410,024.17/1,364,002,090.20 = 542,380,850.05/x
  3. Step 3: Cross multiply
    988,410,024.17x = 1,364,002,090.20 × 542,380,850.05
  4. Step 4: Simplify right side
    988,410,024.17x = 739,808,613,152,652,672
  5. Step 5: Solve for x
    x = 739,808,613,152,652,672/988,410,024.17
  6. Step 6: Final answer
    x = 748,483,519.05

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Why These Related Problems?

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