Home / 558,622,349.15-770,780,897.28-323,658,701.78

Finding the Fourth Proportional to 558,622,349.15, 770,780,897.28 and 323,658,701.78

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Solution

The fourth proportional to 558,622,349.15, 770,780,897.28 and 323,658,701.78 is: 446,580,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,622,349.15 : 770,780,897.28 = 323,658,701.78 : x
  2. Step 2: Convert to fraction form
    558,622,349.15/770,780,897.28 = 323,658,701.78/x
  3. Step 3: Cross multiply
    558,622,349.15x = 770,780,897.28 × 323,658,701.78
  4. Step 4: Simplify right side
    558,622,349.15x = 249,469,944,566,614,400
  5. Step 5: Solve for x
    x = 249,469,944,566,614,400/558,622,349.15
  6. Step 6: Final answer
    x = 446,580,672.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.