Home / 3,359,252,574.30-5,038,878,861.45-1,978,356,279.90

Finding the Fourth Proportional to 3,359,252,574.30, 5,038,878,861.45 and 1,978,356,279.90

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Solution

The fourth proportional to 3,359,252,574.30, 5,038,878,861.45 and 1,978,356,279.90 is: 2,967,534,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359,252,574.30 : 5,038,878,861.45 = 1,978,356,279.90 : x
  2. Step 2: Convert to fraction form
    3,359,252,574.30/5,038,878,861.45 = 1,978,356,279.90/x
  3. Step 3: Cross multiply
    3,359,252,574.30x = 5,038,878,861.45 × 1,978,356,279.90
  4. Step 4: Simplify right side
    3,359,252,574.30x = 9,968,697,639,204,970,496
  5. Step 5: Solve for x
    x = 9,968,697,639,204,970,496/3,359,252,574.30
  6. Step 6: Final answer
    x = 2,967,534,419.85

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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.