Home / 361,908,002.70-542,862,004.05-259,871,330.70

Finding the Fourth Proportional to 361,908,002.70, 542,862,004.05 and 259,871,330.70

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Solution

The fourth proportional to 361,908,002.70, 542,862,004.05 and 259,871,330.70 is: 389,806,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,908,002.70 : 542,862,004.05 = 259,871,330.70 : x
  2. Step 2: Convert to fraction form
    361,908,002.70/542,862,004.05 = 259,871,330.70/x
  3. Step 3: Cross multiply
    361,908,002.70x = 542,862,004.05 × 259,871,330.70
  4. Step 4: Simplify right side
    361,908,002.70x = 141,074,271,378,942,272
  5. Step 5: Solve for x
    x = 141,074,271,378,942,272/361,908,002.70
  6. Step 6: Final answer
    x = 389,806,996.05

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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.