Home / 632,309,954.78-872,679,055.25-364,334,483.17

Finding the Fourth Proportional to 632,309,954.78, 872,679,055.25 and 364,334,483.17

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Solution

The fourth proportional to 632,309,954.78, 872,679,055.25 and 364,334,483.17 is: 502,834,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,309,954.78 : 872,679,055.25 = 364,334,483.17 : x
  2. Step 2: Convert to fraction form
    632,309,954.78/872,679,055.25 = 364,334,483.17/x
  3. Step 3: Cross multiply
    632,309,954.78x = 872,679,055.25 × 364,334,483.17
  4. Step 4: Simplify right side
    632,309,954.78x = 317,947,072,567,792,640
  5. Step 5: Solve for x
    x = 317,947,072,567,792,640/632,309,954.78
  6. Step 6: Final answer
    x = 502,834,203.65

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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.