Home / 424,546,859,872.85-636,909,739,624.30-137,682,548,333.20

Finding the Fourth Proportional to 424,546,859,872.85, 636,909,739,624.30 and 137,682,548,333.20

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Solution

The fourth proportional to 424,546,859,872.85, 636,909,739,624.30 and 137,682,548,333.20 is: 206,552,831,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,546,859,872.85 : 636,909,739,624.30 = 137,682,548,333.20 : x
  2. Step 2: Convert to fraction form
    424,546,859,872.85/636,909,739,624.30 = 137,682,548,333.20/x
  3. Step 3: Cross multiply
    424,546,859,872.85x = 636,909,739,624.30 × 137,682,548,333.20
  4. Step 4: Simplify right side
    424,546,859,872.85x = 87,691,356,009,708,533,055,488
  5. Step 5: Solve for x
    x = 87,691,356,009,708,533,055,488/424,546,859,872.85
  6. Step 6: Final answer
    x = 206,552,831,496.56

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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.