Home / 452,724,773.12-679,086,312.06-141,856,187.54

Finding the Fourth Proportional to 452,724,773.12, 679,086,312.06 and 141,856,187.54

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Solution

The fourth proportional to 452,724,773.12, 679,086,312.06 and 141,856,187.54 is: 212,784,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,724,773.12 : 679,086,312.06 = 141,856,187.54 : x
  2. Step 2: Convert to fraction form
    452,724,773.12/679,086,312.06 = 141,856,187.54/x
  3. Step 3: Cross multiply
    452,724,773.12x = 679,086,312.06 × 141,856,187.54
  4. Step 4: Simplify right side
    452,724,773.12x = 96,332,595,239,430,304
  5. Step 5: Solve for x
    x = 96,332,595,239,430,304/452,724,773.12
  6. Step 6: Final answer
    x = 212,784,015.72

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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.