Home / 601,573,587.78-830,443,569.03-378,882,546.06

Finding the Fourth Proportional to 601,573,587.78, 830,443,569.03 and 378,882,546.06

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Solution

The fourth proportional to 601,573,587.78, 830,443,569.03 and 378,882,546.06 is: 523,029,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,573,587.78 : 830,443,569.03 = 378,882,546.06 : x
  2. Step 2: Convert to fraction form
    601,573,587.78/830,443,569.03 = 378,882,546.06/x
  3. Step 3: Cross multiply
    601,573,587.78x = 830,443,569.03 × 378,882,546.06
  4. Step 4: Simplify right side
    601,573,587.78x = 314,640,573,793,239,744
  5. Step 5: Solve for x
    x = 314,640,573,793,239,744/601,573,587.78
  6. Step 6: Final answer
    x = 523,029,235.63

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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.