Home / 356,387,341.60-534,155,859.60-319,824,200.80

Finding the Fourth Proportional to 356,387,341.60, 534,155,859.60 and 319,824,200.80

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Solution

The fourth proportional to 356,387,341.60, 534,155,859.60 and 319,824,200.80 is: 479,354,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,387,341.60 : 534,155,859.60 = 319,824,200.80 : x
  2. Step 2: Convert to fraction form
    356,387,341.60/534,155,859.60 = 319,824,200.80/x
  3. Step 3: Cross multiply
    356,387,341.60x = 534,155,859.60 × 319,824,200.80
  4. Step 4: Simplify right side
    356,387,341.60x = 170,835,970,899,207,008
  5. Step 5: Solve for x
    x = 170,835,970,899,207,008/356,387,341.60
  6. Step 6: Final answer
    x = 479,354,766.45

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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.