Home / 540,696,051.92-746,175,223.44-305,781,841.28

Finding the Fourth Proportional to 540,696,051.92, 746,175,223.44 and 305,781,841.28

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Solution

The fourth proportional to 540,696,051.92, 746,175,223.44 and 305,781,841.28 is: 421,987,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,696,051.92 : 746,175,223.44 = 305,781,841.28 : x
  2. Step 2: Convert to fraction form
    540,696,051.92/746,175,223.44 = 305,781,841.28/x
  3. Step 3: Cross multiply
    540,696,051.92x = 746,175,223.44 × 305,781,841.28
  4. Step 4: Simplify right side
    540,696,051.92x = 228,166,833,740,998,624
  5. Step 5: Solve for x
    x = 228,166,833,740,998,624/540,696,051.92
  6. Step 6: Final answer
    x = 421,987,238.36

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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.