Home / 817,728,081.60-1,226,592,122.40-527,490,436.80

Finding the Fourth Proportional to 817,728,081.60, 1,226,592,122.40 and 527,490,436.80

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Solution

The fourth proportional to 817,728,081.60, 1,226,592,122.40 and 527,490,436.80 is: 791,235,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,728,081.60 : 1,226,592,122.40 = 527,490,436.80 : x
  2. Step 2: Convert to fraction form
    817,728,081.60/1,226,592,122.40 = 527,490,436.80/x
  3. Step 3: Cross multiply
    817,728,081.60x = 1,226,592,122.40 × 527,490,436.80
  4. Step 4: Simplify right side
    817,728,081.60x = 647,015,614,420,215,168
  5. Step 5: Solve for x
    x = 647,015,614,420,215,168/817,728,081.60
  6. Step 6: Final answer
    x = 791,235,655.20

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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.