Home / 540,696,052.42-746,175,224.13-305,781,841.78

Finding the Fourth Proportional to 540,696,052.42, 746,175,224.13 and 305,781,841.78

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Solution

The fourth proportional to 540,696,052.42, 746,175,224.13 and 305,781,841.78 is: 421,987,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,696,052.42 : 746,175,224.13 = 305,781,841.78 : x
  2. Step 2: Convert to fraction form
    540,696,052.42/746,175,224.13 = 305,781,841.78/x
  3. Step 3: Cross multiply
    540,696,052.42x = 746,175,224.13 × 305,781,841.78
  4. Step 4: Simplify right side
    540,696,052.42x = 228,166,834,325,075,680
  5. Step 5: Solve for x
    x = 228,166,834,325,075,680/540,696,052.42
  6. Step 6: Final answer
    x = 421,987,239.05

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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.