Home / 372,334,154.04-513,844,468.20-205,070,382

Finding the Fourth Proportional to 372,334,154.04, 513,844,468.20 and 205,070,382

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Solution

The fourth proportional to 372,334,154.04, 513,844,468.20 and 205,070,382 is: 283,009,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,334,154.04 : 513,844,468.20 = 205,070,382 : x
  2. Step 2: Convert to fraction form
    372,334,154.04/513,844,468.20 = 205,070,382/x
  3. Step 3: Cross multiply
    372,334,154.04x = 513,844,468.20 × 205,070,382
  4. Step 4: Simplify right side
    372,334,154.04x = 105,374,281,382,360,848
  5. Step 5: Solve for x
    x = 105,374,281,382,360,848/372,334,154.04
  6. Step 6: Final answer
    x = 283,009,979.72

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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.