Home / 869,326,376.90-1,199,561,277.57-587,681,466.04

Finding the Fourth Proportional to 869,326,376.90, 1,199,561,277.57 and 587,681,466.04

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Solution

The fourth proportional to 869,326,376.90, 1,199,561,277.57 and 587,681,466.04 is: 810,926,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,326,376.90 : 1,199,561,277.57 = 587,681,466.04 : x
  2. Step 2: Convert to fraction form
    869,326,376.90/1,199,561,277.57 = 587,681,466.04/x
  3. Step 3: Cross multiply
    869,326,376.90x = 1,199,561,277.57 × 587,681,466.04
  4. Step 4: Simplify right side
    869,326,376.90x = 704,959,930,201,155,072
  5. Step 5: Solve for x
    x = 704,959,930,201,155,072/869,326,376.90
  6. Step 6: Final answer
    x = 810,926,654.17

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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.