Home / 1,011,421,192,550.60-1,517,220,976,951.40-285,358,876,684.89

Finding the Fourth Proportional to 1,011,421,192,550.60, 1,517,220,976,951.40 and 285,358,876,684.89

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Solution

The fourth proportional to 1,011,421,192,550.60, 1,517,220,976,951.40 and 285,358,876,684.89 is: 428,063,478,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,421,192,550.60 : 1,517,220,976,951.40 = 285,358,876,684.89 : x
  2. Step 2: Convert to fraction form
    1,011,421,192,550.60/1,517,220,976,951.40 = 285,358,876,684.89/x
  3. Step 3: Cross multiply
    1,011,421,192,550.60x = 1,517,220,976,951.40 × 285,358,876,684.89
  4. Step 4: Simplify right side
    1,011,421,192,550.60x = 432,952,473,665,602,882,371,584
  5. Step 5: Solve for x
    x = 432,952,473,665,602,882,371,584/1,011,421,192,550.60
  6. Step 6: Final answer
    x = 428,063,478,256.56

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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.