Home / 372,152,641.13-513,189,978-246,661,263.47

Finding the Fourth Proportional to 372,152,641.13, 513,189,978 and 246,661,263.47

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Solution

The fourth proportional to 372,152,641.13, 513,189,978 and 246,661,263.47 is: 340,140,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,152,641.13 : 513,189,978 = 246,661,263.47 : x
  2. Step 2: Convert to fraction form
    372,152,641.13/513,189,978 = 246,661,263.47/x
  3. Step 3: Cross multiply
    372,152,641.13x = 513,189,978 × 246,661,263.47
  4. Step 4: Simplify right side
    372,152,641.13x = 126,584,088,371,055,552
  5. Step 5: Solve for x
    x = 126,584,088,371,055,552/372,152,641.13
  6. Step 6: Final answer
    x = 340,140,239.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.