Home / 1,120,521,691.80-1,681,034,480.10-344,203,176.60

Finding the Fourth Proportional to 1,120,521,691.80, 1,681,034,480.10 and 344,203,176.60

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Solution

The fourth proportional to 1,120,521,691.80, 1,681,034,480.10 and 344,203,176.60 is: 516,382,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,521,691.80 : 1,681,034,480.10 = 344,203,176.60 : x
  2. Step 2: Convert to fraction form
    1,120,521,691.80/1,681,034,480.10 = 344,203,176.60/x
  3. Step 3: Cross multiply
    1,120,521,691.80x = 1,681,034,480.10 × 344,203,176.60
  4. Step 4: Simplify right side
    1,120,521,691.80x = 578,617,408,024,549,504
  5. Step 5: Solve for x
    x = 578,617,408,024,549,504/1,120,521,691.80
  6. Step 6: Final answer
    x = 516,382,156.86

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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.