Home / 854,175,731.28-1,281,001,289.51-301,348,875.21

Finding the Fourth Proportional to 854,175,731.28, 1,281,001,289.51 and 301,348,875.21

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Solution

The fourth proportional to 854,175,731.28, 1,281,001,289.51 and 301,348,875.21 is: 451,930,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,175,731.28 : 1,281,001,289.51 = 301,348,875.21 : x
  2. Step 2: Convert to fraction form
    854,175,731.28/1,281,001,289.51 = 301,348,875.21/x
  3. Step 3: Cross multiply
    854,175,731.28x = 1,281,001,289.51 × 301,348,875.21
  4. Step 4: Simplify right side
    854,175,731.28x = 386,028,297,734,891,328
  5. Step 5: Solve for x
    x = 386,028,297,734,891,328/854,175,731.28
  6. Step 6: Final answer
    x = 451,930,772.09

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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.