Home / 991,141,708,126.50-1,367,775,622,988.20-551,669,661,070.55

Finding the Fourth Proportional to 991,141,708,126.50, 1,367,775,622,988.20 and 551,669,661,070.55

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Solution

The fourth proportional to 991,141,708,126.50, 1,367,775,622,988.20 and 551,669,661,070.55 is: 761,304,168,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,141,708,126.50 : 1,367,775,622,988.20 = 551,669,661,070.55 : x
  2. Step 2: Convert to fraction form
    991,141,708,126.50/1,367,775,622,988.20 = 551,669,661,070.55/x
  3. Step 3: Cross multiply
    991,141,708,126.50x = 1,367,775,622,988.20 × 551,669,661,070.55
  4. Step 4: Simplify right side
    991,141,708,126.50x = 754,560,314,354,460,673,441,792
  5. Step 5: Solve for x
    x = 754,560,314,354,460,673,441,792/991,141,708,126.50
  6. Step 6: Final answer
    x = 761,304,168,886.97

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Double scale
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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.