Home / 1,891,125,071.28-2,837,793,007.80-1,365,976,332.72

Finding the Fourth Proportional to 1,891,125,071.28, 2,837,793,007.80 and 1,365,976,332.72

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Solution

The fourth proportional to 1,891,125,071.28, 2,837,793,007.80 and 1,365,976,332.72 is: 2,049,762,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,125,071.28 : 2,837,793,007.80 = 1,365,976,332.72 : x
  2. Step 2: Convert to fraction form
    1,891,125,071.28/2,837,793,007.80 = 1,365,976,332.72/x
  3. Step 3: Cross multiply
    1,891,125,071.28x = 2,837,793,007.80 × 1,365,976,332.72
  4. Step 4: Simplify right side
    1,891,125,071.28x = 3,876,358,085,813,102,592
  5. Step 5: Solve for x
    x = 3,876,358,085,813,102,592/1,891,125,071.28
  6. Step 6: Final answer
    x = 2,049,762,939.89

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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.