Home / 1,053,309,054.80-1,579,968,831-431,863,731.92

Finding the Fourth Proportional to 1,053,309,054.80, 1,579,968,831 and 431,863,731.92

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Solution

The fourth proportional to 1,053,309,054.80, 1,579,968,831 and 431,863,731.92 is: 647,797,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,309,054.80 : 1,579,968,831 = 431,863,731.92 : x
  2. Step 2: Convert to fraction form
    1,053,309,054.80/1,579,968,831 = 431,863,731.92/x
  3. Step 3: Cross multiply
    1,053,309,054.80x = 1,579,968,831 × 431,863,731.92
  4. Step 4: Simplify right side
    1,053,309,054.80x = 682,331,235,672,939,776
  5. Step 5: Solve for x
    x = 682,331,235,672,939,776/1,053,309,054.80
  6. Step 6: Final answer
    x = 647,797,749.92

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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.