Home / 1,103,144,963.88-1,522,285,030.38-626,772,409.28

Finding the Fourth Proportional to 1,103,144,963.88, 1,522,285,030.38 and 626,772,409.28

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Solution

The fourth proportional to 1,103,144,963.88, 1,522,285,030.38 and 626,772,409.28 is: 864,914,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,144,963.88 : 1,522,285,030.38 = 626,772,409.28 : x
  2. Step 2: Convert to fraction form
    1,103,144,963.88/1,522,285,030.38 = 626,772,409.28/x
  3. Step 3: Cross multiply
    1,103,144,963.88x = 1,522,285,030.38 × 626,772,409.28
  4. Step 4: Simplify right side
    1,103,144,963.88x = 954,126,256,102,566,656
  5. Step 5: Solve for x
    x = 954,126,256,102,566,656/1,103,144,963.88
  6. Step 6: Final answer
    x = 864,914,664.30

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Double scale
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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.