Home / 1,011,421,192,553.60-1,517,220,976,955.70-285,358,876,687.80

Finding the Fourth Proportional to 1,011,421,192,553.60, 1,517,220,976,955.70 and 285,358,876,687.80

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Solution

The fourth proportional to 1,011,421,192,553.60, 1,517,220,976,955.70 and 285,358,876,687.80 is: 428,063,478,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,421,192,553.60 : 1,517,220,976,955.70 = 285,358,876,687.80 : x
  2. Step 2: Convert to fraction form
    1,011,421,192,553.60/1,517,220,976,955.70 = 285,358,876,687.80/x
  3. Step 3: Cross multiply
    1,011,421,192,553.60x = 1,517,220,976,955.70 × 285,358,876,687.80
  4. Step 4: Simplify right side
    1,011,421,192,553.60x = 432,952,473,671,244,993,003,520
  5. Step 5: Solve for x
    x = 432,952,473,671,244,993,003,520/1,011,421,192,553.60
  6. Step 6: Final answer
    x = 428,063,478,260.86

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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.