Home / 1,918,090,040.40-2,875,875,348.60-752,856,440.40

Finding the Fourth Proportional to 1,918,090,040.40, 2,875,875,348.60 and 752,856,440.40

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Solution

The fourth proportional to 1,918,090,040.40, 2,875,875,348.60 and 752,856,440.40 is: 1,128,790,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,090,040.40 : 2,875,875,348.60 = 752,856,440.40 : x
  2. Step 2: Convert to fraction form
    1,918,090,040.40/2,875,875,348.60 = 752,856,440.40/x
  3. Step 3: Cross multiply
    1,918,090,040.40x = 2,875,875,348.60 × 752,856,440.40
  4. Step 4: Simplify right side
    1,918,090,040.40x = 2,165,121,277,981,104,896
  5. Step 5: Solve for x
    x = 2,165,121,277,981,104,896/1,918,090,040.40
  6. Step 6: Final answer
    x = 1,128,790,219.63

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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.