Home / 598,254,430.80-897,381,646.20-394,013,125.20

Finding the Fourth Proportional to 598,254,430.80, 897,381,646.20 and 394,013,125.20

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Solution

The fourth proportional to 598,254,430.80, 897,381,646.20 and 394,013,125.20 is: 591,019,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,254,430.80 : 897,381,646.20 = 394,013,125.20 : x
  2. Step 2: Convert to fraction form
    598,254,430.80/897,381,646.20 = 394,013,125.20/x
  3. Step 3: Cross multiply
    598,254,430.80x = 897,381,646.20 × 394,013,125.20
  4. Step 4: Simplify right side
    598,254,430.80x = 353,580,146,916,382,720
  5. Step 5: Solve for x
    x = 353,580,146,916,382,720/598,254,430.80
  6. Step 6: Final answer
    x = 591,019,687.80

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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.