Home / 1,011,421,192,550.80-1,517,220,976,951.60-285,358,876,685.20

Finding the Fourth Proportional to 1,011,421,192,550.80, 1,517,220,976,951.60 and 285,358,876,685.20

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Solution

The fourth proportional to 1,011,421,192,550.80, 1,517,220,976,951.60 and 285,358,876,685.20 is: 428,063,478,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,421,192,550.80 : 1,517,220,976,951.60 = 285,358,876,685.20 : x
  2. Step 2: Convert to fraction form
    1,011,421,192,550.80/1,517,220,976,951.60 = 285,358,876,685.20/x
  3. Step 3: Cross multiply
    1,011,421,192,550.80x = 1,517,220,976,951.60 × 285,358,876,685.20
  4. Step 4: Simplify right side
    1,011,421,192,550.80x = 432,952,473,666,130,358,042,624
  5. Step 5: Solve for x
    x = 432,952,473,666,130,358,042,624/1,011,421,192,550.80
  6. Step 6: Final answer
    x = 428,063,478,256.99

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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.