Home / 580,675,430.20-871,013,145.30-217,094,553.40

Finding the Fourth Proportional to 580,675,430.20, 871,013,145.30 and 217,094,553.40

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Solution

The fourth proportional to 580,675,430.20, 871,013,145.30 and 217,094,553.40 is: 325,641,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,675,430.20 : 871,013,145.30 = 217,094,553.40 : x
  2. Step 2: Convert to fraction form
    580,675,430.20/871,013,145.30 = 217,094,553.40/x
  3. Step 3: Cross multiply
    580,675,430.20x = 871,013,145.30 × 217,094,553.40
  4. Step 4: Simplify right side
    580,675,430.20x = 189,092,209,784,432,800
  5. Step 5: Solve for x
    x = 189,092,209,784,432,800/580,675,430.20
  6. Step 6: Final answer
    x = 325,641,830.10

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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.