Home / 21,974,976,010.20-32,962,464,015.30-21,117,867,965.40

Finding the Fourth Proportional to 21,974,976,010.20, 32,962,464,015.30 and 21,117,867,965.40

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Solution

The fourth proportional to 21,974,976,010.20, 32,962,464,015.30 and 21,117,867,965.40 is: 31,676,801,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974,976,010.20 : 32,962,464,015.30 = 21,117,867,965.40 : x
  2. Step 2: Convert to fraction form
    21,974,976,010.20/32,962,464,015.30 = 21,117,867,965.40/x
  3. Step 3: Cross multiply
    21,974,976,010.20x = 32,962,464,015.30 × 21,117,867,965.40
  4. Step 4: Simplify right side
    21,974,976,010.20x = 696,096,962,889,354,182,656
  5. Step 5: Solve for x
    x = 696,096,962,889,354,182,656/21,974,976,010.20
  6. Step 6: Final answer
    x = 31,676,801,948.10

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Double scale
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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.