Home / 647,232,000.30-970,848,000.45-216,410,496.30

Finding the Fourth Proportional to 647,232,000.30, 970,848,000.45 and 216,410,496.30

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Solution

The fourth proportional to 647,232,000.30, 970,848,000.45 and 216,410,496.30 is: 324,615,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,232,000.30 : 970,848,000.45 = 216,410,496.30 : x
  2. Step 2: Convert to fraction form
    647,232,000.30/970,848,000.45 = 216,410,496.30/x
  3. Step 3: Cross multiply
    647,232,000.30x = 970,848,000.45 × 216,410,496.30
  4. Step 4: Simplify right side
    647,232,000.30x = 210,101,697,609,247,136
  5. Step 5: Solve for x
    x = 210,101,697,609,247,136/647,232,000.30
  6. Step 6: Final answer
    x = 324,615,744.45

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1.5x scale

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.