Home / 890,328,754,008.25-1,329,497,643,344-727,102,642,172.50

Finding the Fourth Proportional to 890,328,754,008.25, 1,329,497,643,344 and 727,102,642,172.50

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Solution

The fourth proportional to 890,328,754,008.25, 1,329,497,643,344 and 727,102,642,172.50 is: 1,085,757,642,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,328,754,008.25 : 1,329,497,643,344 = 727,102,642,172.50 : x
  2. Step 2: Convert to fraction form
    890,328,754,008.25/1,329,497,643,344 = 727,102,642,172.50/x
  3. Step 3: Cross multiply
    890,328,754,008.25x = 1,329,497,643,344 × 727,102,642,172.50
  4. Step 4: Simplify right side
    890,328,754,008.25x = 966,681,249,237,534,410,539,008
  5. Step 5: Solve for x
    x = 966,681,249,237,534,410,539,008/890,328,754,008.25
  6. Step 6: Final answer
    x = 1,085,757,642,764.59

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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.