Home / 747,844,020-1,121,764,525.80-702,335,357.46

Finding the Fourth Proportional to 747,844,020, 1,121,764,525.80 and 702,335,357.46

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Solution

The fourth proportional to 747,844,020, 1,121,764,525.80 and 702,335,357.46 is: 1,053,501,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,844,020 : 1,121,764,525.80 = 702,335,357.46 : x
  2. Step 2: Convert to fraction form
    747,844,020/1,121,764,525.80 = 702,335,357.46/x
  3. Step 3: Cross multiply
    747,844,020x = 1,121,764,525.80 × 702,335,357.46
  4. Step 4: Simplify right side
    747,844,020x = 787,854,889,213,690,368
  5. Step 5: Solve for x
    x = 787,854,889,213,690,368/747,844,020
  6. Step 6: Final answer
    x = 1,053,501,623.53

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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.