Home / 488,444,320.80-732,442,532.40-215,674,682.40

Finding the Fourth Proportional to 488,444,320.80, 732,442,532.40 and 215,674,682.40

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Solution

The fourth proportional to 488,444,320.80, 732,442,532.40 and 215,674,682.40 is: 323,413,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,444,320.80 : 732,442,532.40 = 215,674,682.40 : x
  2. Step 2: Convert to fraction form
    488,444,320.80/732,442,532.40 = 215,674,682.40/x
  3. Step 3: Cross multiply
    488,444,320.80x = 732,442,532.40 × 215,674,682.40
  4. Step 4: Simplify right side
    488,444,320.80x = 157,969,310,551,621,696
  5. Step 5: Solve for x
    x = 157,969,310,551,621,696/488,444,320.80
  6. Step 6: Final answer
    x = 323,413,138.05

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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.