Home / 21,275,157,682.70-31,912,736,524.05-6,551,265,913.10

Finding the Fourth Proportional to 21,275,157,682.70, 31,912,736,524.05 and 6,551,265,913.10

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Solution

The fourth proportional to 21,275,157,682.70, 31,912,736,524.05 and 6,551,265,913.10 is: 9,826,898,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,157,682.70 : 31,912,736,524.05 = 6,551,265,913.10 : x
  2. Step 2: Convert to fraction form
    21,275,157,682.70/31,912,736,524.05 = 6,551,265,913.10/x
  3. Step 3: Cross multiply
    21,275,157,682.70x = 31,912,736,524.05 × 6,551,265,913.10
  4. Step 4: Simplify right side
    21,275,157,682.70x = 209,068,822,983,750,156,288
  5. Step 5: Solve for x
    x = 209,068,822,983,750,156,288/21,275,157,682.70
  6. Step 6: Final answer
    x = 9,826,898,869.65

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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.