Home / 3,838,428,000.30-5,757,642,000.45-3,141,071,120.10

Finding the Fourth Proportional to 3,838,428,000.30, 5,757,642,000.45 and 3,141,071,120.10

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Solution

The fourth proportional to 3,838,428,000.30, 5,757,642,000.45 and 3,141,071,120.10 is: 4,711,606,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,428,000.30 : 5,757,642,000.45 = 3,141,071,120.10 : x
  2. Step 2: Convert to fraction form
    3,838,428,000.30/5,757,642,000.45 = 3,141,071,120.10/x
  3. Step 3: Cross multiply
    3,838,428,000.30x = 5,757,642,000.45 × 3,141,071,120.10
  4. Step 4: Simplify right side
    3,838,428,000.30x = 18,085,163,007,488,284,672
  5. Step 5: Solve for x
    x = 18,085,163,007,488,284,672/3,838,428,000.30
  6. Step 6: Final answer
    x = 4,711,606,680.15

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1.5x scale

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.