Home / 482,856,521.63-666,304,010.13-274,012,663.59

Finding the Fourth Proportional to 482,856,521.63, 666,304,010.13 and 274,012,663.59

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Solution

The fourth proportional to 482,856,521.63, 666,304,010.13 and 274,012,663.59 is: 378,115,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,856,521.63 : 666,304,010.13 = 274,012,663.59 : x
  2. Step 2: Convert to fraction form
    482,856,521.63/666,304,010.13 = 274,012,663.59/x
  3. Step 3: Cross multiply
    482,856,521.63x = 666,304,010.13 × 274,012,663.59
  4. Step 4: Simplify right side
    482,856,521.63x = 182,575,736,577,444,416
  5. Step 5: Solve for x
    x = 182,575,736,577,444,416/482,856,521.63
  6. Step 6: Final answer
    x = 378,115,917.26

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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.