Home / 320,482,829.40-480,724,244.10-298,983,744.60

Finding the Fourth Proportional to 320,482,829.40, 480,724,244.10 and 298,983,744.60

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Solution

The fourth proportional to 320,482,829.40, 480,724,244.10 and 298,983,744.60 is: 448,475,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,482,829.40 : 480,724,244.10 = 298,983,744.60 : x
  2. Step 2: Convert to fraction form
    320,482,829.40/480,724,244.10 = 298,983,744.60/x
  3. Step 3: Cross multiply
    320,482,829.40x = 480,724,244.10 × 298,983,744.60
  4. Step 4: Simplify right side
    320,482,829.40x = 143,728,734,621,022,480
  5. Step 5: Solve for x
    x = 143,728,734,621,022,480/320,482,829.40
  6. Step 6: Final answer
    x = 448,475,616.90

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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.