Home / 1,131,104,246.78-1,696,639,342.55-508,880,079.45

Finding the Fourth Proportional to 1,131,104,246.78, 1,696,639,342.55 and 508,880,079.45

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Solution

The fourth proportional to 1,131,104,246.78, 1,696,639,342.55 and 508,880,079.45 is: 763,312,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,104,246.78 : 1,696,639,342.55 = 508,880,079.45 : x
  2. Step 2: Convert to fraction form
    1,131,104,246.78/1,696,639,342.55 = 508,880,079.45/x
  3. Step 3: Cross multiply
    1,131,104,246.78x = 1,696,639,342.55 × 508,880,079.45
  4. Step 4: Simplify right side
    1,131,104,246.78x = 863,385,963,434,839,680
  5. Step 5: Solve for x
    x = 863,385,963,434,839,680/1,131,104,246.78
  6. Step 6: Final answer
    x = 763,312,458.50

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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.