Home / 1,693,161,856.64-2,538,754,304.64-656,811,753.28

Finding the Fourth Proportional to 1,693,161,856.64, 2,538,754,304.64 and 656,811,753.28

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Solution

The fourth proportional to 1,693,161,856.64, 2,538,754,304.64 and 656,811,753.28 is: 984,834,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,161,856.64 : 2,538,754,304.64 = 656,811,753.28 : x
  2. Step 2: Convert to fraction form
    1,693,161,856.64/2,538,754,304.64 = 656,811,753.28/x
  3. Step 3: Cross multiply
    1,693,161,856.64x = 2,538,754,304.64 × 656,811,753.28
  4. Step 4: Simplify right side
    1,693,161,856.64x = 1,667,483,665,977,745,408
  5. Step 5: Solve for x
    x = 1,667,483,665,977,745,408/1,693,161,856.64
  6. Step 6: Final answer
    x = 984,834,178.40

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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.