Home / 510,758,724.30-766,245,686.25-165,685,407.18

Finding the Fourth Proportional to 510,758,724.30, 766,245,686.25 and 165,685,407.18

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Solution

The fourth proportional to 510,758,724.30, 766,245,686.25 and 165,685,407.18 is: 248,563,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,758,724.30 : 766,245,686.25 = 165,685,407.18 : x
  2. Step 2: Convert to fraction form
    510,758,724.30/766,245,686.25 = 165,685,407.18/x
  3. Step 3: Cross multiply
    510,758,724.30x = 766,245,686.25 × 165,685,407.18
  4. Step 4: Simplify right side
    510,758,724.30x = 126,955,728,526,249,776
  5. Step 5: Solve for x
    x = 126,955,728,526,249,776/510,758,724.30
  6. Step 6: Final answer
    x = 248,563,015.15

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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.