Home / 1,011,421,192,550.70-1,517,220,976,951.20-285,358,876,684.95

Finding the Fourth Proportional to 1,011,421,192,550.70, 1,517,220,976,951.20 and 285,358,876,684.95

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Solution

The fourth proportional to 1,011,421,192,550.70, 1,517,220,976,951.20 and 285,358,876,684.95 is: 428,063,478,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,421,192,550.70 : 1,517,220,976,951.20 = 285,358,876,684.95 : x
  2. Step 2: Convert to fraction form
    1,011,421,192,550.70/1,517,220,976,951.20 = 285,358,876,684.95/x
  3. Step 3: Cross multiply
    1,011,421,192,550.70x = 1,517,220,976,951.20 × 285,358,876,684.95
  4. Step 4: Simplify right side
    1,011,421,192,550.70x = 432,952,473,665,636,839,456,768
  5. Step 5: Solve for x
    x = 432,952,473,665,636,839,456,768/1,011,421,192,550.70
  6. Step 6: Final answer
    x = 428,063,478,256.55

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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.