Home / 526,550,077.20-789,825,115.80-396,453,320.40

Finding the Fourth Proportional to 526,550,077.20, 789,825,115.80 and 396,453,320.40

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Solution

The fourth proportional to 526,550,077.20, 789,825,115.80 and 396,453,320.40 is: 594,679,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,550,077.20 : 789,825,115.80 = 396,453,320.40 : x
  2. Step 2: Convert to fraction form
    526,550,077.20/789,825,115.80 = 396,453,320.40/x
  3. Step 3: Cross multiply
    526,550,077.20x = 789,825,115.80 × 396,453,320.40
  4. Step 4: Simplify right side
    526,550,077.20x = 313,128,789,694,224,448
  5. Step 5: Solve for x
    x = 313,128,789,694,224,448/526,550,077.20
  6. Step 6: Final answer
    x = 594,679,980.60

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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.