Home / 502,682,643.20-754,023,964.80-139,176,999.20

Finding the Fourth Proportional to 502,682,643.20, 754,023,964.80 and 139,176,999.20

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Solution

The fourth proportional to 502,682,643.20, 754,023,964.80 and 139,176,999.20 is: 208,765,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,682,643.20 : 754,023,964.80 = 139,176,999.20 : x
  2. Step 2: Convert to fraction form
    502,682,643.20/754,023,964.80 = 139,176,999.20/x
  3. Step 3: Cross multiply
    502,682,643.20x = 754,023,964.80 × 139,176,999.20
  4. Step 4: Simplify right side
    502,682,643.20x = 104,942,792,745,750,416
  5. Step 5: Solve for x
    x = 104,942,792,745,750,416/502,682,643.20
  6. Step 6: Final answer
    x = 208,765,498.80

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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.