Home / 314,928,605.70-472,392,908.55-313,015,418.10

Finding the Fourth Proportional to 314,928,605.70, 472,392,908.55 and 313,015,418.10

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Solution

The fourth proportional to 314,928,605.70, 472,392,908.55 and 313,015,418.10 is: 469,523,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,605.70 : 472,392,908.55 = 313,015,418.10 : x
  2. Step 2: Convert to fraction form
    314,928,605.70/472,392,908.55 = 313,015,418.10/x
  3. Step 3: Cross multiply
    314,928,605.70x = 472,392,908.55 × 313,015,418.10
  4. Step 4: Simplify right side
    314,928,605.70x = 147,866,263,777,253,344
  5. Step 5: Solve for x
    x = 147,866,263,777,253,344/314,928,605.70
  6. Step 6: Final answer
    x = 469,523,127.15

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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.