Home / 873,319,147,745.25-1,205,242,788,176.50-482,677,307,866.15

Finding the Fourth Proportional to 873,319,147,745.25, 1,205,242,788,176.50 and 482,677,307,866.15

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Solution

The fourth proportional to 873,319,147,745.25, 1,205,242,788,176.50 and 482,677,307,866.15 is: 666,129,153,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,319,147,745.25 : 1,205,242,788,176.50 = 482,677,307,866.15 : x
  2. Step 2: Convert to fraction form
    873,319,147,745.25/1,205,242,788,176.50 = 482,677,307,866.15/x
  3. Step 3: Cross multiply
    873,319,147,745.25x = 1,205,242,788,176.50 × 482,677,307,866.15
  4. Step 4: Simplify right side
    873,319,147,745.25x = 581,743,344,322,125,515,194,368
  5. Step 5: Solve for x
    x = 581,743,344,322,125,515,194,368/873,319,147,745.25
  6. Step 6: Final answer
    x = 666,129,153,155.61

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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.