Home / 871,277,402.10-1,306,916,103.15-674,006,502.90

Finding the Fourth Proportional to 871,277,402.10, 1,306,916,103.15 and 674,006,502.90

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Solution

The fourth proportional to 871,277,402.10, 1,306,916,103.15 and 674,006,502.90 is: 1,011,009,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,277,402.10 : 1,306,916,103.15 = 674,006,502.90 : x
  2. Step 2: Convert to fraction form
    871,277,402.10/1,306,916,103.15 = 674,006,502.90/x
  3. Step 3: Cross multiply
    871,277,402.10x = 1,306,916,103.15 × 674,006,502.90
  4. Step 4: Simplify right side
    871,277,402.10x = 880,869,952,267,827,200
  5. Step 5: Solve for x
    x = 880,869,952,267,827,200/871,277,402.10
  6. Step 6: Final answer
    x = 1,011,009,754.35

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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.