Home / 1,443,645,645.27-1,992,179,444.13-817,100,621.16

Finding the Fourth Proportional to 1,443,645,645.27, 1,992,179,444.13 and 817,100,621.16

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Solution

The fourth proportional to 1,443,645,645.27, 1,992,179,444.13 and 817,100,621.16 is: 1,127,569,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,645,645.27 : 1,992,179,444.13 = 817,100,621.16 : x
  2. Step 2: Convert to fraction form
    1,443,645,645.27/1,992,179,444.13 = 817,100,621.16/x
  3. Step 3: Cross multiply
    1,443,645,645.27x = 1,992,179,444.13 × 817,100,621.16
  4. Step 4: Simplify right side
    1,443,645,645.27x = 1,627,811,061,260,806,656
  5. Step 5: Solve for x
    x = 1,627,811,061,260,806,656/1,443,645,645.27
  6. Step 6: Final answer
    x = 1,127,569,682.07

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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.