Home / 1,209,955,421.40-1,814,933,132.10-1,198,476,295.80

Finding the Fourth Proportional to 1,209,955,421.40, 1,814,933,132.10 and 1,198,476,295.80

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Solution

The fourth proportional to 1,209,955,421.40, 1,814,933,132.10 and 1,198,476,295.80 is: 1,797,714,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,955,421.40 : 1,814,933,132.10 = 1,198,476,295.80 : x
  2. Step 2: Convert to fraction form
    1,209,955,421.40/1,814,933,132.10 = 1,198,476,295.80/x
  3. Step 3: Cross multiply
    1,209,955,421.40x = 1,814,933,132.10 × 1,198,476,295.80
  4. Step 4: Simplify right side
    1,209,955,421.40x = 2,175,154,337,283,899,904
  5. Step 5: Solve for x
    x = 2,175,154,337,283,899,904/1,209,955,421.40
  6. Step 6: Final answer
    x = 1,797,714,443.70

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Double scale
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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.