Home / 448,496,171.20-672,744,256.80-267,097,643.20

Finding the Fourth Proportional to 448,496,171.20, 672,744,256.80 and 267,097,643.20

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Solution

The fourth proportional to 448,496,171.20, 672,744,256.80 and 267,097,643.20 is: 400,646,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,496,171.20 : 672,744,256.80 = 267,097,643.20 : x
  2. Step 2: Convert to fraction form
    448,496,171.20/672,744,256.80 = 267,097,643.20/x
  3. Step 3: Cross multiply
    448,496,171.20x = 672,744,256.80 × 267,097,643.20
  4. Step 4: Simplify right side
    448,496,171.20x = 179,688,405,467,615,552
  5. Step 5: Solve for x
    x = 179,688,405,467,615,552/448,496,171.20
  6. Step 6: Final answer
    x = 400,646,464.80

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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.