Home / 646,260,422.20-969,390,633.30-179,920,944.70

Finding the Fourth Proportional to 646,260,422.20, 969,390,633.30 and 179,920,944.70

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Solution

The fourth proportional to 646,260,422.20, 969,390,633.30 and 179,920,944.70 is: 269,881,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,260,422.20 : 969,390,633.30 = 179,920,944.70 : x
  2. Step 2: Convert to fraction form
    646,260,422.20/969,390,633.30 = 179,920,944.70/x
  3. Step 3: Cross multiply
    646,260,422.20x = 969,390,633.30 × 179,920,944.70
  4. Step 4: Simplify right side
    646,260,422.20x = 174,413,678,526,667,264
  5. Step 5: Solve for x
    x = 174,413,678,526,667,264/646,260,422.20
  6. Step 6: Final answer
    x = 269,881,417.05

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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.