Home / 314,928,694.20-472,393,041.30-313,015,506.60

Finding the Fourth Proportional to 314,928,694.20, 472,393,041.30 and 313,015,506.60

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Solution

The fourth proportional to 314,928,694.20, 472,393,041.30 and 313,015,506.60 is: 469,523,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,694.20 : 472,393,041.30 = 313,015,506.60 : x
  2. Step 2: Convert to fraction form
    314,928,694.20/472,393,041.30 = 313,015,506.60/x
  3. Step 3: Cross multiply
    314,928,694.20x = 472,393,041.30 × 313,015,506.60
  4. Step 4: Simplify right side
    314,928,694.20x = 147,866,347,136,834,240
  5. Step 5: Solve for x
    x = 147,866,347,136,834,240/314,928,694.20
  6. Step 6: Final answer
    x = 469,523,259.90

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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.