Home / 1,022,605,137.72-1,533,685,054.59-275,603,475.11

Finding the Fourth Proportional to 1,022,605,137.72, 1,533,685,054.59 and 275,603,475.11

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Solution

The fourth proportional to 1,022,605,137.72, 1,533,685,054.59 and 275,603,475.11 is: 413,345,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,605,137.72 : 1,533,685,054.59 = 275,603,475.11 : x
  2. Step 2: Convert to fraction form
    1,022,605,137.72/1,533,685,054.59 = 275,603,475.11/x
  3. Step 3: Cross multiply
    1,022,605,137.72x = 1,533,685,054.59 × 275,603,475.11
  4. Step 4: Simplify right side
    1,022,605,137.72x = 422,688,930,761,605,632
  5. Step 5: Solve for x
    x = 422,688,930,761,605,632/1,022,605,137.72
  6. Step 6: Final answer
    x = 413,345,205.47

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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.