Home / 1,036,972,904.30-1,431,133,507.51-635,353,186.73

Finding the Fourth Proportional to 1,036,972,904.30, 1,431,133,507.51 and 635,353,186.73

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Solution

The fourth proportional to 1,036,972,904.30, 1,431,133,507.51 and 635,353,186.73 is: 876,855,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,972,904.30 : 1,431,133,507.51 = 635,353,186.73 : x
  2. Step 2: Convert to fraction form
    1,036,972,904.30/1,431,133,507.51 = 635,353,186.73/x
  3. Step 3: Cross multiply
    1,036,972,904.30x = 1,431,133,507.51 × 635,353,186.73
  4. Step 4: Simplify right side
    1,036,972,904.30x = 909,275,234,634,550,272
  5. Step 5: Solve for x
    x = 909,275,234,634,550,272/1,036,972,904.30
  6. Step 6: Final answer
    x = 876,855,345.85

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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.