Home / 639,738,026.80-959,607,040.20-523,511,880.10

Finding the Fourth Proportional to 639,738,026.80, 959,607,040.20 and 523,511,880.10

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Solution

The fourth proportional to 639,738,026.80, 959,607,040.20 and 523,511,880.10 is: 785,267,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,026.80 : 959,607,040.20 = 523,511,880.10 : x
  2. Step 2: Convert to fraction form
    639,738,026.80/959,607,040.20 = 523,511,880.10/x
  3. Step 3: Cross multiply
    639,738,026.80x = 959,607,040.20 × 523,511,880.10
  4. Step 4: Simplify right side
    639,738,026.80x = 502,365,685,772,298,304
  5. Step 5: Solve for x
    x = 502,365,685,772,298,304/639,738,026.80
  6. Step 6: Final answer
    x = 785,267,820.15

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.