Home / 776,921,167.20-1,165,381,750.80-532,033,154.40

Finding the Fourth Proportional to 776,921,167.20, 1,165,381,750.80 and 532,033,154.40

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Solution

The fourth proportional to 776,921,167.20, 1,165,381,750.80 and 532,033,154.40 is: 798,049,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,921,167.20 : 1,165,381,750.80 = 532,033,154.40 : x
  2. Step 2: Convert to fraction form
    776,921,167.20/1,165,381,750.80 = 532,033,154.40/x
  3. Step 3: Cross multiply
    776,921,167.20x = 1,165,381,750.80 × 532,033,154.40
  4. Step 4: Simplify right side
    776,921,167.20x = 620,021,728,958,318,720
  5. Step 5: Solve for x
    x = 620,021,728,958,318,720/776,921,167.20
  6. Step 6: Final answer
    x = 798,049,731.60

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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.