Home / 504,575,999.40-756,863,999.10-141,069,772.20

Finding the Fourth Proportional to 504,575,999.40, 756,863,999.10 and 141,069,772.20

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Solution

The fourth proportional to 504,575,999.40, 756,863,999.10 and 141,069,772.20 is: 211,604,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,575,999.40 : 756,863,999.10 = 141,069,772.20 : x
  2. Step 2: Convert to fraction form
    504,575,999.40/756,863,999.10 = 141,069,772.20/x
  3. Step 3: Cross multiply
    504,575,999.40x = 756,863,999.10 × 141,069,772.20
  4. Step 4: Simplify right side
    504,575,999.40x = 106,770,631,939,418,000
  5. Step 5: Solve for x
    x = 106,770,631,939,418,000/504,575,999.40
  6. Step 6: Final answer
    x = 211,604,658.30

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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.