Home / 890,328,754,008.75-1,329,497,643,344.80-727,102,642,173

Finding the Fourth Proportional to 890,328,754,008.75, 1,329,497,643,344.80 and 727,102,642,173

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Solution

The fourth proportional to 890,328,754,008.75, 1,329,497,643,344.80 and 727,102,642,173 is: 1,085,757,642,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,328,754,008.75 : 1,329,497,643,344.80 = 727,102,642,173 : x
  2. Step 2: Convert to fraction form
    890,328,754,008.75/1,329,497,643,344.80 = 727,102,642,173/x
  3. Step 3: Cross multiply
    890,328,754,008.75x = 1,329,497,643,344.80 × 727,102,642,173
  4. Step 4: Simplify right side
    890,328,754,008.75x = 966,681,249,238,780,890,578,944
  5. Step 5: Solve for x
    x = 966,681,249,238,780,890,578,944/890,328,754,008.75
  6. Step 6: Final answer
    x = 1,085,757,642,765.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.