Home / 1,380,823,946.10-2,071,221,747.12-798,187,463.10

Finding the Fourth Proportional to 1,380,823,946.10, 2,071,221,747.12 and 798,187,463.10

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Solution

The fourth proportional to 1,380,823,946.10, 2,071,221,747.12 and 798,187,463.10 is: 1,197,273,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,823,946.10 : 2,071,221,747.12 = 798,187,463.10 : x
  2. Step 2: Convert to fraction form
    1,380,823,946.10/2,071,221,747.12 = 798,187,463.10/x
  3. Step 3: Cross multiply
    1,380,823,946.10x = 2,071,221,747.12 × 798,187,463.10
  4. Step 4: Simplify right side
    1,380,823,946.10x = 1,653,223,231,851,262,464
  5. Step 5: Solve for x
    x = 1,653,223,231,851,262,464/1,380,823,946.10
  6. Step 6: Final answer
    x = 1,197,273,002.49

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Double scale
Find fourth proportional to 1,380,823,947.10, 2,071,221,748.62 and 798,187,464.10
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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.