Home / 526,822,728,276.92-727,021,977,087.66-286,238,622,301.88

Finding the Fourth Proportional to 526,822,728,276.92, 727,021,977,087.66 and 286,238,622,301.88

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Solution

The fourth proportional to 526,822,728,276.92, 727,021,977,087.66 and 286,238,622,301.88 is: 395,012,891,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,822,728,276.92 : 727,021,977,087.66 = 286,238,622,301.88 : x
  2. Step 2: Convert to fraction form
    526,822,728,276.92/727,021,977,087.66 = 286,238,622,301.88/x
  3. Step 3: Cross multiply
    526,822,728,276.92x = 727,021,977,087.66 × 286,238,622,301.88
  4. Step 4: Simplify right side
    526,822,728,276.92x = 208,101,769,104,760,783,241,216
  5. Step 5: Solve for x
    x = 208,101,769,104,760,783,241,216/526,822,728,276.92
  6. Step 6: Final answer
    x = 395,012,891,310.52

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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.