Home / 907,618,172.66-1,361,823,255.10-317,831,721

Finding the Fourth Proportional to 907,618,172.66, 1,361,823,255.10 and 317,831,721

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Solution

The fourth proportional to 907,618,172.66, 1,361,823,255.10 and 317,831,721 is: 476,886,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,618,172.66 : 1,361,823,255.10 = 317,831,721 : x
  2. Step 2: Convert to fraction form
    907,618,172.66/1,361,823,255.10 = 317,831,721/x
  3. Step 3: Cross multiply
    907,618,172.66x = 1,361,823,255.10 × 317,831,721
  4. Step 4: Simplify right side
    907,618,172.66x = 432,830,628,866,254,976
  5. Step 5: Solve for x
    x = 432,830,628,866,254,976/907,618,172.66
  6. Step 6: Final answer
    x = 476,886,252.29

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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.