Home / 20,697,768,117.70-31,046,652,176.55-11,377,914,856.90

Finding the Fourth Proportional to 20,697,768,117.70, 31,046,652,176.55 and 11,377,914,856.90

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Solution

The fourth proportional to 20,697,768,117.70, 31,046,652,176.55 and 11,377,914,856.90 is: 17,066,872,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,768,117.70 : 31,046,652,176.55 = 11,377,914,856.90 : x
  2. Step 2: Convert to fraction form
    20,697,768,117.70/31,046,652,176.55 = 11,377,914,856.90/x
  3. Step 3: Cross multiply
    20,697,768,117.70x = 31,046,652,176.55 × 11,377,914,856.90
  4. Step 4: Simplify right side
    20,697,768,117.70x = 353,246,165,056,574,914,560
  5. Step 5: Solve for x
    x = 353,246,165,056,574,914,560/20,697,768,117.70
  6. Step 6: Final answer
    x = 17,066,872,285.35

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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.