Home / 1,011,421,192,574.10-1,517,220,976,986.10-285,358,876,708.15

Finding the Fourth Proportional to 1,011,421,192,574.10, 1,517,220,976,986.10 and 285,358,876,708.15

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Solution

The fourth proportional to 1,011,421,192,574.10, 1,517,220,976,986.10 and 285,358,876,708.15 is: 428,063,478,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,421,192,574.10 : 1,517,220,976,986.10 = 285,358,876,708.15 : x
  2. Step 2: Convert to fraction form
    1,011,421,192,574.10/1,517,220,976,986.10 = 285,358,876,708.15/x
  3. Step 3: Cross multiply
    1,011,421,192,574.10x = 1,517,220,976,986.10 × 285,358,876,708.15
  4. Step 4: Simplify right side
    1,011,421,192,574.10x = 432,952,473,710,795,467,784,192
  5. Step 5: Solve for x
    x = 432,952,473,710,795,467,784,192/1,011,421,192,574.10
  6. Step 6: Final answer
    x = 428,063,478,291.29

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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.