Home / 540,179,406.80-745,447,434.32-292,660,760.96

Finding the Fourth Proportional to 540,179,406.80, 745,447,434.32 and 292,660,760.96

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Solution

The fourth proportional to 540,179,406.80, 745,447,434.32 and 292,660,760.96 is: 403,871,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,179,406.80 : 745,447,434.32 = 292,660,760.96 : x
  2. Step 2: Convert to fraction form
    540,179,406.80/745,447,434.32 = 292,660,760.96/x
  3. Step 3: Cross multiply
    540,179,406.80x = 745,447,434.32 × 292,660,760.96
  4. Step 4: Simplify right side
    540,179,406.80x = 218,163,213,383,770,816
  5. Step 5: Solve for x
    x = 218,163,213,383,770,816/540,179,406.80
  6. Step 6: Final answer
    x = 403,871,770.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.