Home / 1,149,207,042.10-1,724,052,664.05-372,792,080.20

Finding the Fourth Proportional to 1,149,207,042.10, 1,724,052,664.05 and 372,792,080.20

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Solution

The fourth proportional to 1,149,207,042.10, 1,724,052,664.05 and 372,792,080.20 is: 559,266,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,207,042.10 : 1,724,052,664.05 = 372,792,080.20 : x
  2. Step 2: Convert to fraction form
    1,149,207,042.10/1,724,052,664.05 = 372,792,080.20/x
  3. Step 3: Cross multiply
    1,149,207,042.10x = 1,724,052,664.05 × 372,792,080.20
  4. Step 4: Simplify right side
    1,149,207,042.10x = 642,713,179,005,551,232
  5. Step 5: Solve for x
    x = 642,713,179,005,551,232/1,149,207,042.10
  6. Step 6: Final answer
    x = 559,266,655.58

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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.