Home / 320,436,631.70-480,654,947.55-320,436,631.70

Finding the Fourth Proportional to 320,436,631.70, 480,654,947.55 and 320,436,631.70

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Solution

The fourth proportional to 320,436,631.70, 480,654,947.55 and 320,436,631.70 is: 480,654,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,436,631.70 : 480,654,947.55 = 320,436,631.70 : x
  2. Step 2: Convert to fraction form
    320,436,631.70/480,654,947.55 = 320,436,631.70/x
  3. Step 3: Cross multiply
    320,436,631.70x = 480,654,947.55 × 320,436,631.70
  4. Step 4: Simplify right side
    320,436,631.70x = 154,019,452,402,862,176
  5. Step 5: Solve for x
    x = 154,019,452,402,862,176/320,436,631.70
  6. Step 6: Final answer
    x = 480,654,947.55

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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.