Home / 991,141,708,125.90-1,367,775,622,987.40-551,669,661,069.98

Finding the Fourth Proportional to 991,141,708,125.90, 1,367,775,622,987.40 and 551,669,661,069.98

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Solution

The fourth proportional to 991,141,708,125.90, 1,367,775,622,987.40 and 551,669,661,069.98 is: 761,304,168,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,141,708,125.90 : 1,367,775,622,987.40 = 551,669,661,069.98 : x
  2. Step 2: Convert to fraction form
    991,141,708,125.90/1,367,775,622,987.40 = 551,669,661,069.98/x
  3. Step 3: Cross multiply
    991,141,708,125.90x = 1,367,775,622,987.40 × 551,669,661,069.98
  4. Step 4: Simplify right side
    991,141,708,125.90x = 754,560,314,353,239,560,552,448
  5. Step 5: Solve for x
    x = 754,560,314,353,239,560,552,448/991,141,708,125.90
  6. Step 6: Final answer
    x = 761,304,168,886.20

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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.