Home / 826,028,190.06-1,238,678,690.64-437,760,052.66

Finding the Fourth Proportional to 826,028,190.06, 1,238,678,690.64 and 437,760,052.66

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Solution

The fourth proportional to 826,028,190.06, 1,238,678,690.64 and 437,760,052.66 is: 656,447,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,028,190.06 : 1,238,678,690.64 = 437,760,052.66 : x
  2. Step 2: Convert to fraction form
    826,028,190.06/1,238,678,690.64 = 437,760,052.66/x
  3. Step 3: Cross multiply
    826,028,190.06x = 1,238,678,690.64 × 437,760,052.66
  4. Step 4: Simplify right side
    826,028,190.06x = 542,244,048,843,386,304
  5. Step 5: Solve for x
    x = 542,244,048,843,386,304/826,028,190.06
  6. Step 6: Final answer
    x = 656,447,389.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.