Home / 612,840,794.20-919,261,191.30-565,489,401.10

Finding the Fourth Proportional to 612,840,794.20, 919,261,191.30 and 565,489,401.10

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Solution

The fourth proportional to 612,840,794.20, 919,261,191.30 and 565,489,401.10 is: 848,234,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,840,794.20 : 919,261,191.30 = 565,489,401.10 : x
  2. Step 2: Convert to fraction form
    612,840,794.20/919,261,191.30 = 565,489,401.10/x
  3. Step 3: Cross multiply
    612,840,794.20x = 919,261,191.30 × 565,489,401.10
  4. Step 4: Simplify right side
    612,840,794.20x = 519,832,460,522,709,504
  5. Step 5: Solve for x
    x = 519,832,460,522,709,504/612,840,794.20
  6. Step 6: Final answer
    x = 848,234,101.65

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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.