Home / 887,505,325.38-1,224,793,400.72-491,021,857.62

Finding the Fourth Proportional to 887,505,325.38, 1,224,793,400.72 and 491,021,857.62

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Solution

The fourth proportional to 887,505,325.38, 1,224,793,400.72 and 491,021,857.62 is: 677,630,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,505,325.38 : 1,224,793,400.72 = 491,021,857.62 : x
  2. Step 2: Convert to fraction form
    887,505,325.38/1,224,793,400.72 = 491,021,857.62/x
  3. Step 3: Cross multiply
    887,505,325.38x = 1,224,793,400.72 × 491,021,857.62
  4. Step 4: Simplify right side
    887,505,325.38x = 601,400,330,819,796,352
  5. Step 5: Solve for x
    x = 601,400,330,819,796,352/887,505,325.38
  6. Step 6: Final answer
    x = 677,630,109.50

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Double scale
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1.5x scale

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.