Home / 681,054,658.56-939,855,412.80-367,788,846.96

Finding the Fourth Proportional to 681,054,658.56, 939,855,412.80 and 367,788,846.96

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Solution

The fourth proportional to 681,054,658.56, 939,855,412.80 and 367,788,846.96 is: 507,548,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,054,658.56 : 939,855,412.80 = 367,788,846.96 : x
  2. Step 2: Convert to fraction form
    681,054,658.56/939,855,412.80 = 367,788,846.96/x
  3. Step 3: Cross multiply
    681,054,658.56x = 939,855,412.80 × 367,788,846.96
  4. Step 4: Simplify right side
    681,054,658.56x = 345,668,338,582,826,816
  5. Step 5: Solve for x
    x = 345,668,338,582,826,816/681,054,658.56
  6. Step 6: Final answer
    x = 507,548,600.16

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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.