Home / 1,137,305,514.62-1,569,451,503.72-635,518,421.60

Finding the Fourth Proportional to 1,137,305,514.62, 1,569,451,503.72 and 635,518,421.60

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Solution

The fourth proportional to 1,137,305,514.62, 1,569,451,503.72 and 635,518,421.60 is: 876,998,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,305,514.62 : 1,569,451,503.72 = 635,518,421.60 : x
  2. Step 2: Convert to fraction form
    1,137,305,514.62/1,569,451,503.72 = 635,518,421.60/x
  3. Step 3: Cross multiply
    1,137,305,514.62x = 1,569,451,503.72 × 635,518,421.60
  4. Step 4: Simplify right side
    1,137,305,514.62x = 997,415,342,421,880,960
  5. Step 5: Solve for x
    x = 997,415,342,421,880,960/1,137,305,514.62
  6. Step 6: Final answer
    x = 876,998,598.53

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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.