Home / 800,769,901.50-1,105,178,479.56-448,368,602.58

Finding the Fourth Proportional to 800,769,901.50, 1,105,178,479.56 and 448,368,602.58

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Solution

The fourth proportional to 800,769,901.50, 1,105,178,479.56 and 448,368,602.58 is: 618,813,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,769,901.50 : 1,105,178,479.56 = 448,368,602.58 : x
  2. Step 2: Convert to fraction form
    800,769,901.50/1,105,178,479.56 = 448,368,602.58/x
  3. Step 3: Cross multiply
    800,769,901.50x = 1,105,178,479.56 × 448,368,602.58
  4. Step 4: Simplify right side
    800,769,901.50x = 495,527,330,481,806,272
  5. Step 5: Solve for x
    x = 495,527,330,481,806,272/800,769,901.50
  6. Step 6: Final answer
    x = 618,813,631.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.