Home / 1,149,207,031.10-1,724,052,647.55-372,792,069.20

Finding the Fourth Proportional to 1,149,207,031.10, 1,724,052,647.55 and 372,792,069.20

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Solution

The fourth proportional to 1,149,207,031.10, 1,724,052,647.55 and 372,792,069.20 is: 559,266,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,207,031.10 : 1,724,052,647.55 = 372,792,069.20 : x
  2. Step 2: Convert to fraction form
    1,149,207,031.10/1,724,052,647.55 = 372,792,069.20/x
  3. Step 3: Cross multiply
    1,149,207,031.10x = 1,724,052,647.55 × 372,792,069.20
  4. Step 4: Simplify right side
    1,149,207,031.10x = 642,713,153,889,902,720
  5. Step 5: Solve for x
    x = 642,713,153,889,902,720/1,149,207,031.10
  6. Step 6: Final answer
    x = 559,266,639.08

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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.