Home / 970,231,928.40-1,455,410,878.20-511,066,904.40

Finding the Fourth Proportional to 970,231,928.40, 1,455,410,878.20 and 511,066,904.40

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Solution

The fourth proportional to 970,231,928.40, 1,455,410,878.20 and 511,066,904.40 is: 766,633,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,231,928.40 : 1,455,410,878.20 = 511,066,904.40 : x
  2. Step 2: Convert to fraction form
    970,231,928.40/1,455,410,878.20 = 511,066,904.40/x
  3. Step 3: Cross multiply
    970,231,928.40x = 1,455,410,878.20 × 511,066,904.40
  4. Step 4: Simplify right side
    970,231,928.40x = 743,812,332,151,759,488
  5. Step 5: Solve for x
    x = 743,812,332,151,759,488/970,231,928.40
  6. Step 6: Final answer
    x = 766,633,534.09

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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.