Home / 498,453,973.20-747,680,959.80-240,173,647.20

Finding the Fourth Proportional to 498,453,973.20, 747,680,959.80 and 240,173,647.20

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Solution

The fourth proportional to 498,453,973.20, 747,680,959.80 and 240,173,647.20 is: 360,260,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,453,973.20 : 747,680,959.80 = 240,173,647.20 : x
  2. Step 2: Convert to fraction form
    498,453,973.20/747,680,959.80 = 240,173,647.20/x
  3. Step 3: Cross multiply
    498,453,973.20x = 747,680,959.80 × 240,173,647.20
  4. Step 4: Simplify right side
    498,453,973.20x = 179,573,263,057,162,560
  5. Step 5: Solve for x
    x = 179,573,263,057,162,560/498,453,973.20
  6. Step 6: Final answer
    x = 360,260,470.80

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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.