Home / 658,055,476.80-986,884,247.52-197,871,485.76

Finding the Fourth Proportional to 658,055,476.80, 986,884,247.52 and 197,871,485.76

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Solution

The fourth proportional to 658,055,476.80, 986,884,247.52 and 197,871,485.76 is: 296,747,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,055,476.80 : 986,884,247.52 = 197,871,485.76 : x
  2. Step 2: Convert to fraction form
    658,055,476.80/986,884,247.52 = 197,871,485.76/x
  3. Step 3: Cross multiply
    658,055,476.80x = 986,884,247.52 × 197,871,485.76
  4. Step 4: Simplify right side
    658,055,476.80x = 195,276,252,329,921,984
  5. Step 5: Solve for x
    x = 195,276,252,329,921,984/658,055,476.80
  6. Step 6: Final answer
    x = 296,747,400.81

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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.