Home / 988,410,031.11-1,364,002,099.92-542,380,857.03

Finding the Fourth Proportional to 988,410,031.11, 1,364,002,099.92 and 542,380,857.03

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Solution

The fourth proportional to 988,410,031.11, 1,364,002,099.92 and 542,380,857.03 is: 748,483,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,410,031.11 : 1,364,002,099.92 = 542,380,857.03 : x
  2. Step 2: Convert to fraction form
    988,410,031.11/1,364,002,099.92 = 542,380,857.03/x
  3. Step 3: Cross multiply
    988,410,031.11x = 1,364,002,099.92 × 542,380,857.03
  4. Step 4: Simplify right side
    988,410,031.11x = 739,808,627,945,329,280
  5. Step 5: Solve for x
    x = 739,808,627,945,329,280/988,410,031.11
  6. Step 6: Final answer
    x = 748,483,528.76

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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.