Home / 749,604,002.90-1,124,406,004.35-442,738,159.70

Finding the Fourth Proportional to 749,604,002.90, 1,124,406,004.35 and 442,738,159.70

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Solution

The fourth proportional to 749,604,002.90, 1,124,406,004.35 and 442,738,159.70 is: 664,107,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,604,002.90 : 1,124,406,004.35 = 442,738,159.70 : x
  2. Step 2: Convert to fraction form
    749,604,002.90/1,124,406,004.35 = 442,738,159.70/x
  3. Step 3: Cross multiply
    749,604,002.90x = 1,124,406,004.35 × 442,738,159.70
  4. Step 4: Simplify right side
    749,604,002.90x = 497,817,445,121,549,120
  5. Step 5: Solve for x
    x = 497,817,445,121,549,120/749,604,002.90
  6. Step 6: Final answer
    x = 664,107,239.55

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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.