Home / 314,928,851.20-472,393,276.80-313,015,663.60

Finding the Fourth Proportional to 314,928,851.20, 472,393,276.80 and 313,015,663.60

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Solution

The fourth proportional to 314,928,851.20, 472,393,276.80 and 313,015,663.60 is: 469,523,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,851.20 : 472,393,276.80 = 313,015,663.60 : x
  2. Step 2: Convert to fraction form
    314,928,851.20/472,393,276.80 = 313,015,663.60/x
  3. Step 3: Cross multiply
    314,928,851.20x = 472,393,276.80 × 313,015,663.60
  4. Step 4: Simplify right side
    314,928,851.20x = 147,866,495,017,730,496
  5. Step 5: Solve for x
    x = 147,866,495,017,730,496/314,928,851.20
  6. Step 6: Final answer
    x = 469,523,495.40

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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.