Home / 805,996,803.28-1,208,991,219.72-314,759,958.88

Finding the Fourth Proportional to 805,996,803.28, 1,208,991,219.72 and 314,759,958.88

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Solution

The fourth proportional to 805,996,803.28, 1,208,991,219.72 and 314,759,958.88 is: 472,138,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,996,803.28 : 1,208,991,219.72 = 314,759,958.88 : x
  2. Step 2: Convert to fraction form
    805,996,803.28/1,208,991,219.72 = 314,759,958.88/x
  3. Step 3: Cross multiply
    805,996,803.28x = 1,208,991,219.72 × 314,759,958.88
  4. Step 4: Simplify right side
    805,996,803.28x = 380,542,026,605,348,224
  5. Step 5: Solve for x
    x = 380,542,026,605,348,224/805,996,803.28
  6. Step 6: Final answer
    x = 472,138,382.01

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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.