Home / 3,573,081,101.09-4,930,987,961.88-1,987,287,729.14

Finding the Fourth Proportional to 3,573,081,101.09, 4,930,987,961.88 and 1,987,287,729.14

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Solution

The fourth proportional to 3,573,081,101.09, 4,930,987,961.88 and 1,987,287,729.14 is: 2,742,532,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573,081,101.09 : 4,930,987,961.88 = 1,987,287,729.14 : x
  2. Step 2: Convert to fraction form
    3,573,081,101.09/4,930,987,961.88 = 1,987,287,729.14/x
  3. Step 3: Cross multiply
    3,573,081,101.09x = 4,930,987,961.88 × 1,987,287,729.14
  4. Step 4: Simplify right side
    3,573,081,101.09x = 9,799,291,869,156,528,128
  5. Step 5: Solve for x
    x = 9,799,291,869,156,528,128/3,573,081,101.09
  6. Step 6: Final answer
    x = 2,742,532,730.70

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1.5x scale

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.