Home / 885,825,072.20-1,222,475,740.29-509,481,764.73

Finding the Fourth Proportional to 885,825,072.20, 1,222,475,740.29 and 509,481,764.73

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Solution

The fourth proportional to 885,825,072.20, 1,222,475,740.29 and 509,481,764.73 is: 703,106,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,825,072.20 : 1,222,475,740.29 = 509,481,764.73 : x
  2. Step 2: Convert to fraction form
    885,825,072.20/1,222,475,740.29 = 509,481,764.73/x
  3. Step 3: Cross multiply
    885,825,072.20x = 1,222,475,740.29 × 509,481,764.73
  4. Step 4: Simplify right side
    885,825,072.20x = 622,829,097,502,562,304
  5. Step 5: Solve for x
    x = 622,829,097,502,562,304/885,825,072.20
  6. Step 6: Final answer
    x = 703,106,196.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.