Home / 873,319,147,741.76-1,205,242,788,171.60-482,677,307,862.65

Finding the Fourth Proportional to 873,319,147,741.76, 1,205,242,788,171.60 and 482,677,307,862.65

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Solution

The fourth proportional to 873,319,147,741.76, 1,205,242,788,171.60 and 482,677,307,862.65 is: 666,129,153,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,319,147,741.76 : 1,205,242,788,171.60 = 482,677,307,862.65 : x
  2. Step 2: Convert to fraction form
    873,319,147,741.76/1,205,242,788,171.60 = 482,677,307,862.65/x
  3. Step 3: Cross multiply
    873,319,147,741.76x = 1,205,242,788,171.60 × 482,677,307,862.65
  4. Step 4: Simplify right side
    873,319,147,741.76x = 581,743,344,315,542,135,635,968
  5. Step 5: Solve for x
    x = 581,743,344,315,542,135,635,968/873,319,147,741.76
  6. Step 6: Final answer
    x = 666,129,153,150.74

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Double scale
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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.