Home / 365,367,009.15-548,050,513.73-287,882,911.35

Finding the Fourth Proportional to 365,367,009.15, 548,050,513.73 and 287,882,911.35

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Solution

The fourth proportional to 365,367,009.15, 548,050,513.73 and 287,882,911.35 is: 431,824,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,367,009.15 : 548,050,513.73 = 287,882,911.35 : x
  2. Step 2: Convert to fraction form
    365,367,009.15/548,050,513.73 = 287,882,911.35/x
  3. Step 3: Cross multiply
    365,367,009.15x = 548,050,513.73 × 287,882,911.35
  4. Step 4: Simplify right side
    365,367,009.15x = 157,774,377,458,016,160
  5. Step 5: Solve for x
    x = 157,774,377,458,016,160/365,367,009.15
  6. Step 6: Final answer
    x = 431,824,367.03

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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.