Home / 749,604,002.40-1,124,406,003.60-442,738,159.20

Finding the Fourth Proportional to 749,604,002.40, 1,124,406,003.60 and 442,738,159.20

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Solution

The fourth proportional to 749,604,002.40, 1,124,406,003.60 and 442,738,159.20 is: 664,107,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,604,002.40 : 1,124,406,003.60 = 442,738,159.20 : x
  2. Step 2: Convert to fraction form
    749,604,002.40/1,124,406,003.60 = 442,738,159.20/x
  3. Step 3: Cross multiply
    749,604,002.40x = 1,124,406,003.60 × 442,738,159.20
  4. Step 4: Simplify right side
    749,604,002.40x = 497,817,444,227,292,544
  5. Step 5: Solve for x
    x = 497,817,444,227,292,544/749,604,002.40
  6. Step 6: Final answer
    x = 664,107,238.80

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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.