Home / 695,870,485.71-960,305,066.66-409,774,494.03

Finding the Fourth Proportional to 695,870,485.71, 960,305,066.66 and 409,774,494.03

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Solution

The fourth proportional to 695,870,485.71, 960,305,066.66 and 409,774,494.03 is: 565,491,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,870,485.71 : 960,305,066.66 = 409,774,494.03 : x
  2. Step 2: Convert to fraction form
    695,870,485.71/960,305,066.66 = 409,774,494.03/x
  3. Step 3: Cross multiply
    695,870,485.71x = 960,305,066.66 × 409,774,494.03
  4. Step 4: Simplify right side
    695,870,485.71x = 393,508,522,807,447,680
  5. Step 5: Solve for x
    x = 393,508,522,807,447,680/695,870,485.71
  6. Step 6: Final answer
    x = 565,491,037.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.