Home / 718,934,014.69-1,078,462,359.20-252,554,679.12

Finding the Fourth Proportional to 718,934,014.69, 1,078,462,359.20 and 252,554,679.12

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Solution

The fourth proportional to 718,934,014.69, 1,078,462,359.20 and 252,554,679.12 is: 378,853,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,934,014.69 : 1,078,462,359.20 = 252,554,679.12 : x
  2. Step 2: Convert to fraction form
    718,934,014.69/1,078,462,359.20 = 252,554,679.12/x
  3. Step 3: Cross multiply
    718,934,014.69x = 1,078,462,359.20 × 252,554,679.12
  4. Step 4: Simplify right side
    718,934,014.69x = 272,370,715,070,754,208
  5. Step 5: Solve for x
    x = 272,370,715,070,754,208/718,934,014.69
  6. Step 6: Final answer
    x = 378,853,565.84

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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.