Home / 415,398,510.22-622,043,057.12-249,297,460.34

Finding the Fourth Proportional to 415,398,510.22, 622,043,057.12 and 249,297,460.34

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Solution

The fourth proportional to 415,398,510.22, 622,043,057.12 and 249,297,460.34 is: 373,313,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,398,510.22 : 622,043,057.12 = 249,297,460.34 : x
  2. Step 2: Convert to fraction form
    415,398,510.22/622,043,057.12 = 249,297,460.34/x
  3. Step 3: Cross multiply
    415,398,510.22x = 622,043,057.12 × 249,297,460.34
  4. Step 4: Simplify right side
    415,398,510.22x = 155,073,754,362,145,568
  5. Step 5: Solve for x
    x = 155,073,754,362,145,568/415,398,510.22
  6. Step 6: Final answer
    x = 373,313,217.42

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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.