Home / 314,929,132.20-472,393,698.30-199,287,570.60

Finding the Fourth Proportional to 314,929,132.20, 472,393,698.30 and 199,287,570.60

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Solution

The fourth proportional to 314,929,132.20, 472,393,698.30 and 199,287,570.60 is: 298,931,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,132.20 : 472,393,698.30 = 199,287,570.60 : x
  2. Step 2: Convert to fraction form
    314,929,132.20/472,393,698.30 = 199,287,570.60/x
  3. Step 3: Cross multiply
    314,929,132.20x = 472,393,698.30 × 199,287,570.60
  4. Step 4: Simplify right side
    314,929,132.20x = 94,142,192,500,956,352
  5. Step 5: Solve for x
    x = 94,142,192,500,956,352/314,929,132.20
  6. Step 6: Final answer
    x = 298,931,355.90

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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.