Home / 672,141,147.66-927,531,867.51-370,738,401.30

Finding the Fourth Proportional to 672,141,147.66, 927,531,867.51 and 370,738,401.30

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Solution

The fourth proportional to 672,141,147.66, 927,531,867.51 and 370,738,401.30 is: 511,606,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,141,147.66 : 927,531,867.51 = 370,738,401.30 : x
  2. Step 2: Convert to fraction form
    672,141,147.66/927,531,867.51 = 370,738,401.30/x
  3. Step 3: Cross multiply
    672,141,147.66x = 927,531,867.51 × 370,738,401.30
  4. Step 4: Simplify right side
    672,141,147.66x = 343,871,681,715,460,800
  5. Step 5: Solve for x
    x = 343,871,681,715,460,800/672,141,147.66
  6. Step 6: Final answer
    x = 511,606,353.68

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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.