Home / 802,019,947.10-1,203,029,920.65-526,520,932.70

Finding the Fourth Proportional to 802,019,947.10, 1,203,029,920.65 and 526,520,932.70

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Solution

The fourth proportional to 802,019,947.10, 1,203,029,920.65 and 526,520,932.70 is: 789,781,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,019,947.10 : 1,203,029,920.65 = 526,520,932.70 : x
  2. Step 2: Convert to fraction form
    802,019,947.10/1,203,029,920.65 = 526,520,932.70/x
  3. Step 3: Cross multiply
    802,019,947.10x = 1,203,029,920.65 × 526,520,932.70
  4. Step 4: Simplify right side
    802,019,947.10x = 633,420,435,886,644,992
  5. Step 5: Solve for x
    x = 633,420,435,886,644,992/802,019,947.10
  6. Step 6: Final answer
    x = 789,781,399.05

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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.