Home / 457,772,982,565.27-686,678,423,861.90-135,075,789,979.73

Finding the Fourth Proportional to 457,772,982,565.27, 686,678,423,861.90 and 135,075,789,979.73

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Solution

The fourth proportional to 457,772,982,565.27, 686,678,423,861.90 and 135,075,789,979.73 is: 202,619,276,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,772,982,565.27 : 686,678,423,861.90 = 135,075,789,979.73 : x
  2. Step 2: Convert to fraction form
    457,772,982,565.27/686,678,423,861.90 = 135,075,789,979.73/x
  3. Step 3: Cross multiply
    457,772,982,565.27x = 686,678,423,861.90 × 135,075,789,979.73
  4. Step 4: Simplify right side
    457,772,982,565.27x = 92,753,630,565,182,025,498,624
  5. Step 5: Solve for x
    x = 92,753,630,565,182,025,498,624/457,772,982,565.27
  6. Step 6: Final answer
    x = 202,619,276,579.87

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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.