Home / 1,036,253,696.49-1,555,079,938.52-405,907,567.23

Finding the Fourth Proportional to 1,036,253,696.49, 1,555,079,938.52 and 405,907,567.23

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Solution

The fourth proportional to 1,036,253,696.49, 1,555,079,938.52 and 405,907,567.23 is: 609,135,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,696.49 : 1,555,079,938.52 = 405,907,567.23 : x
  2. Step 2: Convert to fraction form
    1,036,253,696.49/1,555,079,938.52 = 405,907,567.23/x
  3. Step 3: Cross multiply
    1,036,253,696.49x = 1,555,079,938.52 × 405,907,567.23
  4. Step 4: Simplify right side
    1,036,253,696.49x = 631,218,714,692,831,232
  5. Step 5: Solve for x
    x = 631,218,714,692,831,232/1,036,253,696.49
  6. Step 6: Final answer
    x = 609,135,308.11

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Double scale
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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.