Home / 763,096,191.52-1,053,301,108.53-445,642,069.09

Finding the Fourth Proportional to 763,096,191.52, 1,053,301,108.53 and 445,642,069.09

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Solution

The fourth proportional to 763,096,191.52, 1,053,301,108.53 and 445,642,069.09 is: 615,119,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,096,191.52 : 1,053,301,108.53 = 445,642,069.09 : x
  2. Step 2: Convert to fraction form
    763,096,191.52/1,053,301,108.53 = 445,642,069.09/x
  3. Step 3: Cross multiply
    763,096,191.52x = 1,053,301,108.53 × 445,642,069.09
  4. Step 4: Simplify right side
    763,096,191.52x = 469,395,285,380,099,776
  5. Step 5: Solve for x
    x = 469,395,285,380,099,776/763,096,191.52
  6. Step 6: Final answer
    x = 615,119,418.23

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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.