Home / 314,908,876.20-472,363,314.30-199,975,902.60

Finding the Fourth Proportional to 314,908,876.20, 472,363,314.30 and 199,975,902.60

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Solution

The fourth proportional to 314,908,876.20, 472,363,314.30 and 199,975,902.60 is: 299,963,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,908,876.20 : 472,363,314.30 = 199,975,902.60 : x
  2. Step 2: Convert to fraction form
    314,908,876.20/472,363,314.30 = 199,975,902.60/x
  3. Step 3: Cross multiply
    314,908,876.20x = 472,363,314.30 × 199,975,902.60
  4. Step 4: Simplify right side
    314,908,876.20x = 94,461,280,132,269,984
  5. Step 5: Solve for x
    x = 94,461,280,132,269,984/314,908,876.20
  6. Step 6: Final answer
    x = 299,963,853.90

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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.