Home / 1,012,378,891.68-1,397,084,921.33-566,349,703.47

Finding the Fourth Proportional to 1,012,378,891.68, 1,397,084,921.33 and 566,349,703.47

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Solution

The fourth proportional to 1,012,378,891.68, 1,397,084,921.33 and 566,349,703.47 is: 781,563,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,378,891.68 : 1,397,084,921.33 = 566,349,703.47 : x
  2. Step 2: Convert to fraction form
    1,012,378,891.68/1,397,084,921.33 = 566,349,703.47/x
  3. Step 3: Cross multiply
    1,012,378,891.68x = 1,397,084,921.33 × 566,349,703.47
  4. Step 4: Simplify right side
    1,012,378,891.68x = 791,238,630,914,822,144
  5. Step 5: Solve for x
    x = 791,238,630,914,822,144/1,012,378,891.68
  6. Step 6: Final answer
    x = 781,563,738.06

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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.