Home / 3,090,465,921.89-4,637,765,330.37-1,320,250,335.87

Finding the Fourth Proportional to 3,090,465,921.89, 4,637,765,330.37 and 1,320,250,335.87

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Solution

The fourth proportional to 3,090,465,921.89, 4,637,765,330.37 and 1,320,250,335.87 is: 1,981,258,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,465,921.89 : 4,637,765,330.37 = 1,320,250,335.87 : x
  2. Step 2: Convert to fraction form
    3,090,465,921.89/4,637,765,330.37 = 1,320,250,335.87/x
  3. Step 3: Cross multiply
    3,090,465,921.89x = 4,637,765,330.37 × 1,320,250,335.87
  4. Step 4: Simplify right side
    3,090,465,921.89x = 6,123,011,235,107,233,792
  5. Step 5: Solve for x
    x = 6,123,011,235,107,233,792/3,090,465,921.89
  6. Step 6: Final answer
    x = 1,981,258,292.40

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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.