Home / 822,885,748.66-1,234,449,083.22-386,230,786.66

Finding the Fourth Proportional to 822,885,748.66, 1,234,449,083.22 and 386,230,786.66

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Solution

The fourth proportional to 822,885,748.66, 1,234,449,083.22 and 386,230,786.66 is: 579,402,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,885,748.66 : 1,234,449,083.22 = 386,230,786.66 : x
  2. Step 2: Convert to fraction form
    822,885,748.66/1,234,449,083.22 = 386,230,786.66/x
  3. Step 3: Cross multiply
    822,885,748.66x = 1,234,449,083.22 × 386,230,786.66
  4. Step 4: Simplify right side
    822,885,748.66x = 476,782,240,503,776,448
  5. Step 5: Solve for x
    x = 476,782,240,503,776,448/822,885,748.66
  6. Step 6: Final answer
    x = 579,402,719.37

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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.