Home / 885,736,639.70-1,328,604,959.55-263,950,669.70

Finding the Fourth Proportional to 885,736,639.70, 1,328,604,959.55 and 263,950,669.70

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Solution

The fourth proportional to 885,736,639.70, 1,328,604,959.55 and 263,950,669.70 is: 395,926,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,639.70 : 1,328,604,959.55 = 263,950,669.70 : x
  2. Step 2: Convert to fraction form
    885,736,639.70/1,328,604,959.55 = 263,950,669.70/x
  3. Step 3: Cross multiply
    885,736,639.70x = 1,328,604,959.55 × 263,950,669.70
  4. Step 4: Simplify right side
    885,736,639.70x = 350,686,168,839,963,904
  5. Step 5: Solve for x
    x = 350,686,168,839,963,904/885,736,639.70
  6. Step 6: Final answer
    x = 395,926,004.55

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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.