Home / 991,141,708,127.10-1,367,775,622,989-551,669,661,071.10

Finding the Fourth Proportional to 991,141,708,127.10, 1,367,775,622,989 and 551,669,661,071.10

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Solution

The fourth proportional to 991,141,708,127.10, 1,367,775,622,989 and 551,669,661,071.10 is: 761,304,168,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,141,708,127.10 : 1,367,775,622,989 = 551,669,661,071.10 : x
  2. Step 2: Convert to fraction form
    991,141,708,127.10/1,367,775,622,989 = 551,669,661,071.10/x
  3. Step 3: Cross multiply
    991,141,708,127.10x = 1,367,775,622,989 × 551,669,661,071.10
  4. Step 4: Simplify right side
    991,141,708,127.10x = 754,560,314,355,654,271,696,896
  5. Step 5: Solve for x
    x = 754,560,314,355,654,271,696,896/991,141,708,127.10
  6. Step 6: Final answer
    x = 761,304,168,887.72

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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.