Home / 970,231,936.40-1,455,410,890.20-511,066,912.40

Finding the Fourth Proportional to 970,231,936.40, 1,455,410,890.20 and 511,066,912.40

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Solution

The fourth proportional to 970,231,936.40, 1,455,410,890.20 and 511,066,912.40 is: 766,633,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,231,936.40 : 1,455,410,890.20 = 511,066,912.40 : x
  2. Step 2: Convert to fraction form
    970,231,936.40/1,455,410,890.20 = 511,066,912.40/x
  3. Step 3: Cross multiply
    970,231,936.40x = 1,455,410,890.20 × 511,066,912.40
  4. Step 4: Simplify right side
    970,231,936.40x = 743,812,349,927,849,472
  5. Step 5: Solve for x
    x = 743,812,349,927,849,472/970,231,936.40
  6. Step 6: Final answer
    x = 766,633,546.09

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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.