Home / 776,750,160.29-1,165,584,921.44-285,808,192.61

Finding the Fourth Proportional to 776,750,160.29, 1,165,584,921.44 and 285,808,192.61

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Solution

The fourth proportional to 776,750,160.29, 1,165,584,921.44 and 285,808,192.61 is: 428,881,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,750,160.29 : 1,165,584,921.44 = 285,808,192.61 : x
  2. Step 2: Convert to fraction form
    776,750,160.29/1,165,584,921.44 = 285,808,192.61/x
  3. Step 3: Cross multiply
    776,750,160.29x = 1,165,584,921.44 × 285,808,192.61
  4. Step 4: Simplify right side
    776,750,160.29x = 333,133,719,722,978,304
  5. Step 5: Solve for x
    x = 333,133,719,722,978,304/776,750,160.29
  6. Step 6: Final answer
    x = 428,881,430.29

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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.