Home / 398,936,545.25-598,343,463.87-133,046,925.45

Finding the Fourth Proportional to 398,936,545.25, 598,343,463.87 and 133,046,925.45

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Solution

The fourth proportional to 398,936,545.25, 598,343,463.87 and 133,046,925.45 is: 199,549,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,936,545.25 : 598,343,463.87 = 133,046,925.45 : x
  2. Step 2: Convert to fraction form
    398,936,545.25/598,343,463.87 = 133,046,925.45/x
  3. Step 3: Cross multiply
    398,936,545.25x = 598,343,463.87 × 133,046,925.45
  4. Step 4: Simplify right side
    398,936,545.25x = 79,607,758,232,005,152
  5. Step 5: Solve for x
    x = 79,607,758,232,005,152/398,936,545.25
  6. Step 6: Final answer
    x = 199,549,926.37

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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.