Home / 567,079,972.25-782,050,293.54-388,723,058.24

Finding the Fourth Proportional to 567,079,972.25, 782,050,293.54 and 388,723,058.24

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Solution

The fourth proportional to 567,079,972.25, 782,050,293.54 and 388,723,058.24 is: 536,081,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,079,972.25 : 782,050,293.54 = 388,723,058.24 : x
  2. Step 2: Convert to fraction form
    567,079,972.25/782,050,293.54 = 388,723,058.24/x
  3. Step 3: Cross multiply
    567,079,972.25x = 782,050,293.54 × 388,723,058.24
  4. Step 4: Simplify right side
    567,079,972.25x = 304,000,981,798,448,256
  5. Step 5: Solve for x
    x = 304,000,981,798,448,256/567,079,972.25
  6. Step 6: Final answer
    x = 536,081,323.05

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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.