Home / 297,693,790.69-410,868,852.18-172,315,116.74

Finding the Fourth Proportional to 297,693,790.69, 410,868,852.18 and 172,315,116.74

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Solution

The fourth proportional to 297,693,790.69, 410,868,852.18 and 172,315,116.74 is: 237,824,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,693,790.69 : 410,868,852.18 = 172,315,116.74 : x
  2. Step 2: Convert to fraction form
    297,693,790.69/410,868,852.18 = 172,315,116.74/x
  3. Step 3: Cross multiply
    297,693,790.69x = 410,868,852.18 × 172,315,116.74
  4. Step 4: Simplify right side
    297,693,790.69x = 70,798,914,228,226,512
  5. Step 5: Solve for x
    x = 70,798,914,228,226,512/297,693,790.69
  6. Step 6: Final answer
    x = 237,824,625.31

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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.