Home / 540,696,053.42-746,175,225.51-305,781,842.78

Finding the Fourth Proportional to 540,696,053.42, 746,175,225.51 and 305,781,842.78

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Solution

The fourth proportional to 540,696,053.42, 746,175,225.51 and 305,781,842.78 is: 421,987,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,696,053.42 : 746,175,225.51 = 305,781,842.78 : x
  2. Step 2: Convert to fraction form
    540,696,053.42/746,175,225.51 = 305,781,842.78/x
  3. Step 3: Cross multiply
    540,696,053.42x = 746,175,225.51 × 305,781,842.78
  4. Step 4: Simplify right side
    540,696,053.42x = 228,166,835,493,229,856
  5. Step 5: Solve for x
    x = 228,166,835,493,229,856/540,696,053.42
  6. Step 6: Final answer
    x = 421,987,240.43

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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.