Home / 442,958,414.40-664,437,621.60-236,334,153.60

Finding the Fourth Proportional to 442,958,414.40, 664,437,621.60 and 236,334,153.60

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Solution

The fourth proportional to 442,958,414.40, 664,437,621.60 and 236,334,153.60 is: 354,501,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,958,414.40 : 664,437,621.60 = 236,334,153.60 : x
  2. Step 2: Convert to fraction form
    442,958,414.40/664,437,621.60 = 236,334,153.60/x
  3. Step 3: Cross multiply
    442,958,414.40x = 664,437,621.60 × 236,334,153.60
  4. Step 4: Simplify right side
    442,958,414.40x = 157,029,302,920,833,088
  5. Step 5: Solve for x
    x = 157,029,302,920,833,088/442,958,414.40
  6. Step 6: Final answer
    x = 354,501,230.40

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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.