Home / 777,335,649.24-1,166,003,473.92-259,766,089.72

Finding the Fourth Proportional to 777,335,649.24, 1,166,003,473.92 and 259,766,089.72

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Solution

The fourth proportional to 777,335,649.24, 1,166,003,473.92 and 259,766,089.72 is: 389,649,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,335,649.24 : 1,166,003,473.92 = 259,766,089.72 : x
  2. Step 2: Convert to fraction form
    777,335,649.24/1,166,003,473.92 = 259,766,089.72/x
  3. Step 3: Cross multiply
    777,335,649.24x = 1,166,003,473.92 × 259,766,089.72
  4. Step 4: Simplify right side
    777,335,649.24x = 302,888,163,020,134,400
  5. Step 5: Solve for x
    x = 302,888,163,020,134,400/777,335,649.24
  6. Step 6: Final answer
    x = 389,649,134.60

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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.