Home / 887,505,323.13-1,224,793,397.61-491,021,855.37

Finding the Fourth Proportional to 887,505,323.13, 1,224,793,397.61 and 491,021,855.37

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Solution

The fourth proportional to 887,505,323.13, 1,224,793,397.61 and 491,021,855.37 is: 677,630,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,505,323.13 : 1,224,793,397.61 = 491,021,855.37 : x
  2. Step 2: Convert to fraction form
    887,505,323.13/1,224,793,397.61 = 491,021,855.37/x
  3. Step 3: Cross multiply
    887,505,323.13x = 1,224,793,397.61 × 491,021,855.37
  4. Step 4: Simplify right side
    887,505,323.13x = 601,400,326,539,388,288
  5. Step 5: Solve for x
    x = 601,400,326,539,388,288/887,505,323.13
  6. Step 6: Final answer
    x = 677,630,106.40

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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.