Home / 1,072,715,201.20-1,609,072,801.80-383,400,794.80

Finding the Fourth Proportional to 1,072,715,201.20, 1,609,072,801.80 and 383,400,794.80

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Solution

The fourth proportional to 1,072,715,201.20, 1,609,072,801.80 and 383,400,794.80 is: 575,101,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,715,201.20 : 1,609,072,801.80 = 383,400,794.80 : x
  2. Step 2: Convert to fraction form
    1,072,715,201.20/1,609,072,801.80 = 383,400,794.80/x
  3. Step 3: Cross multiply
    1,072,715,201.20x = 1,609,072,801.80 × 383,400,794.80
  4. Step 4: Simplify right side
    1,072,715,201.20x = 616,919,791,101,182,848
  5. Step 5: Solve for x
    x = 616,919,791,101,182,848/1,072,715,201.20
  6. Step 6: Final answer
    x = 575,101,192.20

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Double scale
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Similar ratio
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1.5x scale

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.