Home / 409,536,610.50-614,301,210.62-129,417,571.06

Finding the Fourth Proportional to 409,536,610.50, 614,301,210.62 and 129,417,571.06

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Solution

The fourth proportional to 409,536,610.50, 614,301,210.62 and 129,417,571.06 is: 194,125,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,536,610.50 : 614,301,210.62 = 129,417,571.06 : x
  2. Step 2: Convert to fraction form
    409,536,610.50/614,301,210.62 = 129,417,571.06/x
  3. Step 3: Cross multiply
    409,536,610.50x = 614,301,210.62 × 129,417,571.06
  4. Step 4: Simplify right side
    409,536,610.50x = 79,501,370,577,657,872
  5. Step 5: Solve for x
    x = 79,501,370,577,657,872/409,536,610.50
  6. Step 6: Final answer
    x = 194,125,185.73

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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.