Home / 804,588,762.90-1,206,883,144.35-396,442,074.90

Finding the Fourth Proportional to 804,588,762.90, 1,206,883,144.35 and 396,442,074.90

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Solution

The fourth proportional to 804,588,762.90, 1,206,883,144.35 and 396,442,074.90 is: 594,663,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,588,762.90 : 1,206,883,144.35 = 396,442,074.90 : x
  2. Step 2: Convert to fraction form
    804,588,762.90/1,206,883,144.35 = 396,442,074.90/x
  3. Step 3: Cross multiply
    804,588,762.90x = 1,206,883,144.35 × 396,442,074.90
  4. Step 4: Simplify right side
    804,588,762.90x = 478,459,257,907,950,144
  5. Step 5: Solve for x
    x = 478,459,257,907,950,144/804,588,762.90
  6. Step 6: Final answer
    x = 594,663,112.35

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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.