Home / 469,071,852.20-647,050,215-292,553,390.24

Finding the Fourth Proportional to 469,071,852.20, 647,050,215 and 292,553,390.24

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Solution

The fourth proportional to 469,071,852.20, 647,050,215 and 292,553,390.24 is: 403,555,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,071,852.20 : 647,050,215 = 292,553,390.24 : x
  2. Step 2: Convert to fraction form
    469,071,852.20/647,050,215 = 292,553,390.24/x
  3. Step 3: Cross multiply
    469,071,852.20x = 647,050,215 × 292,553,390.24
  4. Step 4: Simplify right side
    469,071,852.20x = 189,296,734,053,770,912
  5. Step 5: Solve for x
    x = 189,296,734,053,770,912/469,071,852.20
  6. Step 6: Final answer
    x = 403,555,943.86

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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.