Home / 314,928,374.70-472,392,562.05-313,015,187.10

Finding the Fourth Proportional to 314,928,374.70, 472,392,562.05 and 313,015,187.10

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Solution

The fourth proportional to 314,928,374.70, 472,392,562.05 and 313,015,187.10 is: 469,522,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,374.70 : 472,392,562.05 = 313,015,187.10 : x
  2. Step 2: Convert to fraction form
    314,928,374.70/472,392,562.05 = 313,015,187.10/x
  3. Step 3: Cross multiply
    314,928,374.70x = 472,392,562.05 × 313,015,187.10
  4. Step 4: Simplify right side
    314,928,374.70x = 147,866,046,194,729,120
  5. Step 5: Solve for x
    x = 147,866,046,194,729,120/314,928,374.70
  6. Step 6: Final answer
    x = 469,522,780.65

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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.