Home / 314,929,122.30-472,393,683.45-200,043,387.90

Finding the Fourth Proportional to 314,929,122.30, 472,393,683.45 and 200,043,387.90

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Solution

The fourth proportional to 314,929,122.30, 472,393,683.45 and 200,043,387.90 is: 300,065,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,122.30 : 472,393,683.45 = 200,043,387.90 : x
  2. Step 2: Convert to fraction form
    314,929,122.30/472,393,683.45 = 200,043,387.90/x
  3. Step 3: Cross multiply
    314,929,122.30x = 472,393,683.45 × 200,043,387.90
  4. Step 4: Simplify right side
    314,929,122.30x = 94,499,232,859,898,160
  5. Step 5: Solve for x
    x = 94,499,232,859,898,160/314,929,122.30
  6. Step 6: Final answer
    x = 300,065,081.85

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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.