Home / 398,936,545.44-598,343,464.15-133,046,925.64

Finding the Fourth Proportional to 398,936,545.44, 598,343,464.15 and 133,046,925.64

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Solution

The fourth proportional to 398,936,545.44, 598,343,464.15 and 133,046,925.64 is: 199,549,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,936,545.44 : 598,343,464.15 = 133,046,925.64 : x
  2. Step 2: Convert to fraction form
    398,936,545.44/598,343,464.15 = 133,046,925.64/x
  3. Step 3: Cross multiply
    398,936,545.44x = 598,343,464.15 × 133,046,925.64
  4. Step 4: Simplify right side
    398,936,545.44x = 79,607,758,381,487,600
  5. Step 5: Solve for x
    x = 79,607,758,381,487,600/398,936,545.44
  6. Step 6: Final answer
    x = 199,549,926.65

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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.