Home / 921,980,263.01-1,382,972,756.47-376,721,797.01

Finding the Fourth Proportional to 921,980,263.01, 1,382,972,756.47 and 376,721,797.01

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Solution

The fourth proportional to 921,980,263.01, 1,382,972,756.47 and 376,721,797.01 is: 565,083,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,980,263.01 : 1,382,972,756.47 = 376,721,797.01 : x
  2. Step 2: Convert to fraction form
    921,980,263.01/1,382,972,756.47 = 376,721,797.01/x
  3. Step 3: Cross multiply
    921,980,263.01x = 1,382,972,756.47 × 376,721,797.01
  4. Step 4: Simplify right side
    921,980,263.01x = 520,995,982,025,394,816
  5. Step 5: Solve for x
    x = 520,995,982,025,394,816/921,980,263.01
  6. Step 6: Final answer
    x = 565,083,660.61

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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.