Home / 970,231,969.40-1,455,410,939.70-511,066,945.40

Finding the Fourth Proportional to 970,231,969.40, 1,455,410,939.70 and 511,066,945.40

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Solution

The fourth proportional to 970,231,969.40, 1,455,410,939.70 and 511,066,945.40 is: 766,633,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,231,969.40 : 1,455,410,939.70 = 511,066,945.40 : x
  2. Step 2: Convert to fraction form
    970,231,969.40/1,455,410,939.70 = 511,066,945.40/x
  3. Step 3: Cross multiply
    970,231,969.40x = 1,455,410,939.70 × 511,066,945.40
  4. Step 4: Simplify right side
    970,231,969.40x = 743,812,423,254,222,592
  5. Step 5: Solve for x
    x = 743,812,423,254,222,592/970,231,969.40
  6. Step 6: Final answer
    x = 766,633,595.59

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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.