Home / 314,929,113.20-472,393,669.80-199,287,551.60

Finding the Fourth Proportional to 314,929,113.20, 472,393,669.80 and 199,287,551.60

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Solution

The fourth proportional to 314,929,113.20, 472,393,669.80 and 199,287,551.60 is: 298,931,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,113.20 : 472,393,669.80 = 199,287,551.60 : x
  2. Step 2: Convert to fraction form
    314,929,113.20/472,393,669.80 = 199,287,551.60/x
  3. Step 3: Cross multiply
    314,929,113.20x = 472,393,669.80 × 199,287,551.60
  4. Step 4: Simplify right side
    314,929,113.20x = 94,142,177,845,780,864
  5. Step 5: Solve for x
    x = 94,142,177,845,780,864/314,929,113.20
  6. Step 6: Final answer
    x = 298,931,327.40

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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.