Home / 409,623,784.80-614,524,150.80-122,438,479.20

Finding the Fourth Proportional to 409,623,784.80, 614,524,150.80 and 122,438,479.20

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Solution

The fourth proportional to 409,623,784.80, 614,524,150.80 and 122,438,479.20 is: 183,684,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,623,784.80 : 614,524,150.80 = 122,438,479.20 : x
  2. Step 2: Convert to fraction form
    409,623,784.80/614,524,150.80 = 122,438,479.20/x
  3. Step 3: Cross multiply
    409,623,784.80x = 614,524,150.80 × 122,438,479.20
  4. Step 4: Simplify right side
    409,623,784.80x = 75,241,402,455,623,456
  5. Step 5: Solve for x
    x = 75,241,402,455,623,456/409,623,784.80
  6. Step 6: Final answer
    x = 183,684,163.98

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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.