Home / 751,257,401.49-1,126,886,137.27-514,673,631.79

Finding the Fourth Proportional to 751,257,401.49, 1,126,886,137.27 and 514,673,631.79

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Solution

The fourth proportional to 751,257,401.49, 1,126,886,137.27 and 514,673,631.79 is: 772,010,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,257,401.49 : 1,126,886,137.27 = 514,673,631.79 : x
  2. Step 2: Convert to fraction form
    751,257,401.49/1,126,886,137.27 = 514,673,631.79/x
  3. Step 3: Cross multiply
    751,257,401.49x = 1,126,886,137.27 × 514,673,631.79
  4. Step 4: Simplify right side
    751,257,401.49x = 579,978,580,882,555,392
  5. Step 5: Solve for x
    x = 579,978,580,882,555,392/751,257,401.49
  6. Step 6: Final answer
    x = 772,010,471.69

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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.