Home / 84,284,109,724.05-126,375,676,409.79-26,826,124,679.10

Finding the Fourth Proportional to 84,284,109,724.05, 126,375,676,409.79 and 26,826,124,679.10

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Solution

The fourth proportional to 84,284,109,724.05, 126,375,676,409.79 and 26,826,124,679.10 is: 40,223,117,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,284,109,724.05 : 126,375,676,409.79 = 26,826,124,679.10 : x
  2. Step 2: Convert to fraction form
    84,284,109,724.05/126,375,676,409.79 = 26,826,124,679.10/x
  3. Step 3: Cross multiply
    84,284,109,724.05x = 126,375,676,409.79 × 26,826,124,679.10
  4. Step 4: Simplify right side
    84,284,109,724.05x = 3,390,169,651,774,622,793,728
  5. Step 5: Solve for x
    x = 3,390,169,651,774,622,793,728/84,284,109,724.05
  6. Step 6: Final answer
    x = 40,223,117,535.13

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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.