Home / 405,236,907.60-608,153,959.80-163,073,605.20

Finding the Fourth Proportional to 405,236,907.60, 608,153,959.80 and 163,073,605.20

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Solution

The fourth proportional to 405,236,907.60, 608,153,959.80 and 163,073,605.20 is: 244,730,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,236,907.60 : 608,153,959.80 = 163,073,605.20 : x
  2. Step 2: Convert to fraction form
    405,236,907.60/608,153,959.80 = 163,073,605.20/x
  3. Step 3: Cross multiply
    405,236,907.60x = 608,153,959.80 × 163,073,605.20
  4. Step 4: Simplify right side
    405,236,907.60x = 99,173,858,741,241,856
  5. Step 5: Solve for x
    x = 99,173,858,741,241,856/405,236,907.60
  6. Step 6: Final answer
    x = 244,730,568.42

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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.