Home / 543,872,879.55-750,521,104.52-308,922,808.59

Finding the Fourth Proportional to 543,872,879.55, 750,521,104.52 and 308,922,808.59

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Solution

The fourth proportional to 543,872,879.55, 750,521,104.52 and 308,922,808.59 is: 426,300,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,872,879.55 : 750,521,104.52 = 308,922,808.59 : x
  2. Step 2: Convert to fraction form
    543,872,879.55/750,521,104.52 = 308,922,808.59/x
  3. Step 3: Cross multiply
    543,872,879.55x = 750,521,104.52 × 308,922,808.59
  4. Step 4: Simplify right side
    543,872,879.55x = 231,853,087,512,842,720
  5. Step 5: Solve for x
    x = 231,853,087,512,842,720/543,872,879.55
  6. Step 6: Final answer
    x = 426,300,145.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.