Home / 1,309,713,979.68-1,807,396,097.44-714,998,464

Finding the Fourth Proportional to 1,309,713,979.68, 1,807,396,097.44 and 714,998,464

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Solution

The fourth proportional to 1,309,713,979.68, 1,807,396,097.44 and 714,998,464 is: 986,692,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,713,979.68 : 1,807,396,097.44 = 714,998,464 : x
  2. Step 2: Convert to fraction form
    1,309,713,979.68/1,807,396,097.44 = 714,998,464/x
  3. Step 3: Cross multiply
    1,309,713,979.68x = 1,807,396,097.44 × 714,998,464
  4. Step 4: Simplify right side
    1,309,713,979.68x = 1,292,285,433,509,194,496
  5. Step 5: Solve for x
    x = 1,292,285,433,509,194,496/1,309,713,979.68
  6. Step 6: Final answer
    x = 986,692,860.85

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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.