Home / 619,531,449-855,015,159-462,626,150.95

Finding the Fourth Proportional to 619,531,449, 855,015,159 and 462,626,150.95

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Solution

The fourth proportional to 619,531,449, 855,015,159 and 462,626,150.95 is: 638,470,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,531,449 : 855,015,159 = 462,626,150.95 : x
  2. Step 2: Convert to fraction form
    619,531,449/855,015,159 = 462,626,150.95/x
  3. Step 3: Cross multiply
    619,531,449x = 855,015,159 × 462,626,150.95
  4. Step 4: Simplify right side
    619,531,449x = 395,552,372,012,072,256
  5. Step 5: Solve for x
    x = 395,552,372,012,072,256/619,531,449
  6. Step 6: Final answer
    x = 638,470,206.23

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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.