Home / 647,232,334.80-970,848,502.20-216,410,830.80

Finding the Fourth Proportional to 647,232,334.80, 970,848,502.20 and 216,410,830.80

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Solution

The fourth proportional to 647,232,334.80, 970,848,502.20 and 216,410,830.80 is: 324,616,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,232,334.80 : 970,848,502.20 = 216,410,830.80 : x
  2. Step 2: Convert to fraction form
    647,232,334.80/970,848,502.20 = 216,410,830.80/x
  3. Step 3: Cross multiply
    647,232,334.80x = 970,848,502.20 × 216,410,830.80
  4. Step 4: Simplify right side
    647,232,334.80x = 210,102,130,942,037,664
  5. Step 5: Solve for x
    x = 210,102,130,942,037,664/647,232,334.80
  6. Step 6: Final answer
    x = 324,616,246.20

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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.