Home / 855,182,801.14-1,282,778,472.96-302,485,738.86

Finding the Fourth Proportional to 855,182,801.14, 1,282,778,472.96 and 302,485,738.86

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Solution

The fourth proportional to 855,182,801.14, 1,282,778,472.96 and 302,485,738.86 is: 453,730,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,182,801.14 : 1,282,778,472.96 = 302,485,738.86 : x
  2. Step 2: Convert to fraction form
    855,182,801.14/1,282,778,472.96 = 302,485,738.86/x
  3. Step 3: Cross multiply
    855,182,801.14x = 1,282,778,472.96 × 302,485,738.86
  4. Step 4: Simplify right side
    855,182,801.14x = 388,022,194,187,008,192
  5. Step 5: Solve for x
    x = 388,022,194,187,008,192/855,182,801.14
  6. Step 6: Final answer
    x = 453,730,119.07

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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.