Home / 21,438,486,614.10-29,585,927,781.63-11,923,726,382.46

Finding the Fourth Proportional to 21,438,486,614.10, 29,585,927,781.63 and 11,923,726,382.46

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Solution

The fourth proportional to 21,438,486,614.10, 29,585,927,781.63 and 11,923,726,382.46 is: 16,455,196,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,486,614.10 : 29,585,927,781.63 = 11,923,726,382.46 : x
  2. Step 2: Convert to fraction form
    21,438,486,614.10/29,585,927,781.63 = 11,923,726,382.46/x
  3. Step 3: Cross multiply
    21,438,486,614.10x = 29,585,927,781.63 × 11,923,726,382.46
  4. Step 4: Simplify right side
    21,438,486,614.10x = 352,774,507,639,377,887,232
  5. Step 5: Solve for x
    x = 352,774,507,639,377,887,232/21,438,486,614.10
  6. Step 6: Final answer
    x = 16,455,196,394.66

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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.