Home / 21,438,486,546.89-29,585,927,688.93-11,923,726,315.19

Finding the Fourth Proportional to 21,438,486,546.89, 29,585,927,688.93 and 11,923,726,315.19

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Solution

The fourth proportional to 21,438,486,546.89, 29,585,927,688.93 and 11,923,726,315.19 is: 16,455,196,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,486,546.89 : 29,585,927,688.93 = 11,923,726,315.19 : x
  2. Step 2: Convert to fraction form
    21,438,486,546.89/29,585,927,688.93 = 11,923,726,315.19/x
  3. Step 3: Cross multiply
    21,438,486,546.89x = 29,585,927,688.93 × 11,923,726,315.19
  4. Step 4: Simplify right side
    21,438,486,546.89x = 352,774,504,543,655,165,952
  5. Step 5: Solve for x
    x = 352,774,504,543,655,165,952/21,438,486,546.89
  6. Step 6: Final answer
    x = 16,455,196,301.85

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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.