Home / 448,060,809.40-672,091,214.10-263,638,972.60

Finding the Fourth Proportional to 448,060,809.40, 672,091,214.10 and 263,638,972.60

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Solution

The fourth proportional to 448,060,809.40, 672,091,214.10 and 263,638,972.60 is: 395,458,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,060,809.40 : 672,091,214.10 = 263,638,972.60 : x
  2. Step 2: Convert to fraction form
    448,060,809.40/672,091,214.10 = 263,638,972.60/x
  3. Step 3: Cross multiply
    448,060,809.40x = 672,091,214.10 × 263,638,972.60
  4. Step 4: Simplify right side
    448,060,809.40x = 177,189,437,178,810,624
  5. Step 5: Solve for x
    x = 177,189,437,178,810,624/448,060,809.40
  6. Step 6: Final answer
    x = 395,458,458.90

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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.