Home / 605,288,889.60-907,667,613.90-277,655,513.10

Finding the Fourth Proportional to 605,288,889.60, 907,667,613.90 and 277,655,513.10

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Solution

The fourth proportional to 605,288,889.60, 907,667,613.90 and 277,655,513.10 is: 416,361,379.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,288,889.60 : 907,667,613.90 = 277,655,513.10 : x
  2. Step 2: Convert to fraction form
    605,288,889.60/907,667,613.90 = 277,655,513.10/x
  3. Step 3: Cross multiply
    605,288,889.60x = 907,667,613.90 × 277,655,513.10
  4. Step 4: Simplify right side
    605,288,889.60x = 252,018,917,061,657,216
  5. Step 5: Solve for x
    x = 252,018,917,061,657,216/605,288,889.60
  6. Step 6: Final answer
    x = 416,361,379.49

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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.