Home / 587,189,799.53-809,569,702.52-480,951,840.39

Finding the Fourth Proportional to 587,189,799.53, 809,569,702.52 and 480,951,840.39

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Solution

The fourth proportional to 587,189,799.53, 809,569,702.52 and 480,951,840.39 is: 663,097,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,189,799.53 : 809,569,702.52 = 480,951,840.39 : x
  2. Step 2: Convert to fraction form
    587,189,799.53/809,569,702.52 = 480,951,840.39/x
  3. Step 3: Cross multiply
    587,189,799.53x = 809,569,702.52 × 480,951,840.39
  4. Step 4: Simplify right side
    587,189,799.53x = 389,364,038,350,978,816
  5. Step 5: Solve for x
    x = 389,364,038,350,978,816/587,189,799.53
  6. Step 6: Final answer
    x = 663,097,415.29

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1.5x scale

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.