Home / 491,185,999.20-736,778,998.80-297,475,754.70

Finding the Fourth Proportional to 491,185,999.20, 736,778,998.80 and 297,475,754.70

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Solution

The fourth proportional to 491,185,999.20, 736,778,998.80 and 297,475,754.70 is: 446,213,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,185,999.20 : 736,778,998.80 = 297,475,754.70 : x
  2. Step 2: Convert to fraction form
    491,185,999.20/736,778,998.80 = 297,475,754.70/x
  3. Step 3: Cross multiply
    491,185,999.20x = 736,778,998.80 × 297,475,754.70
  4. Step 4: Simplify right side
    491,185,999.20x = 219,173,888,715,140,384
  5. Step 5: Solve for x
    x = 219,173,888,715,140,384/491,185,999.20
  6. Step 6: Final answer
    x = 446,213,632.05

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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.