Home / 5,318,808,002.90-7,978,212,004.35-3,114,815,887.70

Finding the Fourth Proportional to 5,318,808,002.90, 7,978,212,004.35 and 3,114,815,887.70

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Solution

The fourth proportional to 5,318,808,002.90, 7,978,212,004.35 and 3,114,815,887.70 is: 4,672,223,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,808,002.90 : 7,978,212,004.35 = 3,114,815,887.70 : x
  2. Step 2: Convert to fraction form
    5,318,808,002.90/7,978,212,004.35 = 3,114,815,887.70/x
  3. Step 3: Cross multiply
    5,318,808,002.90x = 7,978,212,004.35 × 3,114,815,887.70
  4. Step 4: Simplify right side
    5,318,808,002.90x = 24,850,661,506,588,241,920
  5. Step 5: Solve for x
    x = 24,850,661,506,588,241,920/5,318,808,002.90
  6. Step 6: Final answer
    x = 4,672,223,831.55

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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.