Home / 1,868,270,905.40-2,802,406,358.10-1,180,300,191.80

Finding the Fourth Proportional to 1,868,270,905.40, 2,802,406,358.10 and 1,180,300,191.80

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Solution

The fourth proportional to 1,868,270,905.40, 2,802,406,358.10 and 1,180,300,191.80 is: 1,770,450,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,270,905.40 : 2,802,406,358.10 = 1,180,300,191.80 : x
  2. Step 2: Convert to fraction form
    1,868,270,905.40/2,802,406,358.10 = 1,180,300,191.80/x
  3. Step 3: Cross multiply
    1,868,270,905.40x = 2,802,406,358.10 × 1,180,300,191.80
  4. Step 4: Simplify right side
    1,868,270,905.40x = 3,307,680,761,966,969,344
  5. Step 5: Solve for x
    x = 3,307,680,761,966,969,344/1,868,270,905.40
  6. Step 6: Final answer
    x = 1,770,450,287.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.