Home / 5,215,697,982.90-7,823,924,887.95-3,140,952,318.90

Finding the Fourth Proportional to 5,215,697,982.90, 7,823,924,887.95 and 3,140,952,318.90

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Solution

The fourth proportional to 5,215,697,982.90, 7,823,924,887.95 and 3,140,952,318.90 is: 4,711,656,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,697,982.90 : 7,823,924,887.95 = 3,140,952,318.90 : x
  2. Step 2: Convert to fraction form
    5,215,697,982.90/7,823,924,887.95 = 3,140,952,318.90/x
  3. Step 3: Cross multiply
    5,215,697,982.90x = 7,823,924,887.95 × 3,140,952,318.90
  4. Step 4: Simplify right side
    5,215,697,982.90x = 24,574,575,019,705,974,784
  5. Step 5: Solve for x
    x = 24,574,575,019,705,974,784/5,215,697,982.90
  6. Step 6: Final answer
    x = 4,711,656,062.19

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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.