Home / 21,275,169,217.70-31,912,753,826.55-6,551,277,448.10

Finding the Fourth Proportional to 21,275,169,217.70, 31,912,753,826.55 and 6,551,277,448.10

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Solution

The fourth proportional to 21,275,169,217.70, 31,912,753,826.55 and 6,551,277,448.10 is: 9,826,916,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,169,217.70 : 31,912,753,826.55 = 6,551,277,448.10 : x
  2. Step 2: Convert to fraction form
    21,275,169,217.70/31,912,753,826.55 = 6,551,277,448.10/x
  3. Step 3: Cross multiply
    21,275,169,217.70x = 31,912,753,826.55 × 6,551,277,448.10
  4. Step 4: Simplify right side
    21,275,169,217.70x = 209,069,304,450,644,017,152
  5. Step 5: Solve for x
    x = 209,069,304,450,644,017,152/21,275,169,217.70
  6. Step 6: Final answer
    x = 9,826,916,172.15

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Double scale
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1.5x scale

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.