Home / 529,392,006.80-794,088,010.20-406,948,000.40

Finding the Fourth Proportional to 529,392,006.80, 794,088,010.20 and 406,948,000.40

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Solution

The fourth proportional to 529,392,006.80, 794,088,010.20 and 406,948,000.40 is: 610,422,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,392,006.80 : 794,088,010.20 = 406,948,000.40 : x
  2. Step 2: Convert to fraction form
    529,392,006.80/794,088,010.20 = 406,948,000.40/x
  3. Step 3: Cross multiply
    529,392,006.80x = 794,088,010.20 × 406,948,000.40
  4. Step 4: Simplify right side
    529,392,006.80x = 323,152,527,892,504,832
  5. Step 5: Solve for x
    x = 323,152,527,892,504,832/529,392,006.80
  6. Step 6: Final answer
    x = 610,422,000.60

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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.