Home / 546,207,321.60-819,310,982.40-379,760,000.40

Finding the Fourth Proportional to 546,207,321.60, 819,310,982.40 and 379,760,000.40

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Solution

The fourth proportional to 546,207,321.60, 819,310,982.40 and 379,760,000.40 is: 569,640,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,207,321.60 : 819,310,982.40 = 379,760,000.40 : x
  2. Step 2: Convert to fraction form
    546,207,321.60/819,310,982.40 = 379,760,000.40/x
  3. Step 3: Cross multiply
    546,207,321.60x = 819,310,982.40 × 379,760,000.40
  4. Step 4: Simplify right side
    546,207,321.60x = 311,141,539,003,948,352
  5. Step 5: Solve for x
    x = 311,141,539,003,948,352/546,207,321.60
  6. Step 6: Final answer
    x = 569,640,000.60

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1.5x scale

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.