Home / 885,825,105.57-1,222,475,786.15-509,481,797.67

Finding the Fourth Proportional to 885,825,105.57, 1,222,475,786.15 and 509,481,797.67

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Solution

The fourth proportional to 885,825,105.57, 1,222,475,786.15 and 509,481,797.67 is: 703,106,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,825,105.57 : 1,222,475,786.15 = 509,481,797.67 : x
  2. Step 2: Convert to fraction form
    885,825,105.57/1,222,475,786.15 = 509,481,797.67/x
  3. Step 3: Cross multiply
    885,825,105.57x = 1,222,475,786.15 × 509,481,797.67
  4. Step 4: Simplify right side
    885,825,105.57x = 622,829,161,133,201,152
  5. Step 5: Solve for x
    x = 622,829,161,133,201,152/885,825,105.57
  6. Step 6: Final answer
    x = 703,106,242.10

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Double scale
Find fourth proportional to 885,825,106.57, 1,222,475,787.53 and 509,481,798.67
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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.