Home / 398,895,054.66-599,250,600.36-288,571,016.70

Finding the Fourth Proportional to 398,895,054.66, 599,250,600.36 and 288,571,016.70

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Solution

The fourth proportional to 398,895,054.66, 599,250,600.36 and 288,571,016.70 is: 433,513,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,895,054.66 : 599,250,600.36 = 288,571,016.70 : x
  2. Step 2: Convert to fraction form
    398,895,054.66/599,250,600.36 = 288,571,016.70/x
  3. Step 3: Cross multiply
    398,895,054.66x = 599,250,600.36 × 288,571,016.70
  4. Step 4: Simplify right side
    398,895,054.66x = 172,926,355,003,970,592
  5. Step 5: Solve for x
    x = 172,926,355,003,970,592/398,895,054.66
  6. Step 6: Final answer
    x = 433,513,409.06

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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.