Home / 21,098,984,164.20-31,648,476,246.30-5,377,778,404.20

Finding the Fourth Proportional to 21,098,984,164.20, 31,648,476,246.30 and 5,377,778,404.20

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Solution

The fourth proportional to 21,098,984,164.20, 31,648,476,246.30 and 5,377,778,404.20 is: 8,066,667,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098,984,164.20 : 31,648,476,246.30 = 5,377,778,404.20 : x
  2. Step 2: Convert to fraction form
    21,098,984,164.20/31,648,476,246.30 = 5,377,778,404.20/x
  3. Step 3: Cross multiply
    21,098,984,164.20x = 31,648,476,246.30 × 5,377,778,404.20
  4. Step 4: Simplify right side
    21,098,984,164.20x = 170,198,492,083,188,826,112
  5. Step 5: Solve for x
    x = 170,198,492,083,188,826,112/21,098,984,164.20
  6. Step 6: Final answer
    x = 8,066,667,606.30

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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.