Home / 991,141,708,193.73-1,367,775,623,081.20-551,669,661,137.79

Finding the Fourth Proportional to 991,141,708,193.73, 1,367,775,623,081.20 and 551,669,661,137.79

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Solution

The fourth proportional to 991,141,708,193.73, 1,367,775,623,081.20 and 551,669,661,137.79 is: 761,304,168,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,141,708,193.73 : 1,367,775,623,081.20 = 551,669,661,137.79 : x
  2. Step 2: Convert to fraction form
    991,141,708,193.73/1,367,775,623,081.20 = 551,669,661,137.79/x
  3. Step 3: Cross multiply
    991,141,708,193.73x = 1,367,775,623,081.20 × 551,669,661,137.79
  4. Step 4: Simplify right side
    991,141,708,193.73x = 754,560,314,497,735,145,291,776
  5. Step 5: Solve for x
    x = 754,560,314,497,735,145,291,776/991,141,708,193.73
  6. Step 6: Final answer
    x = 761,304,168,979.89

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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.