Home / 1,200,760,741.13-1,657,066,745.82-691,842,189.98

Finding the Fourth Proportional to 1,200,760,741.13, 1,657,066,745.82 and 691,842,189.98

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Solution

The fourth proportional to 1,200,760,741.13, 1,657,066,745.82 and 691,842,189.98 is: 954,751,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,760,741.13 : 1,657,066,745.82 = 691,842,189.98 : x
  2. Step 2: Convert to fraction form
    1,200,760,741.13/1,657,066,745.82 = 691,842,189.98/x
  3. Step 3: Cross multiply
    1,200,760,741.13x = 1,657,066,745.82 × 691,842,189.98
  4. Step 4: Simplify right side
    1,200,760,741.13x = 1,146,428,686,371,349,248
  5. Step 5: Solve for x
    x = 1,146,428,686,371,349,248/1,200,760,741.13
  6. Step 6: Final answer
    x = 954,751,972.73

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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.