Home / 695,870,485.46-960,305,066.32-409,774,493.78

Finding the Fourth Proportional to 695,870,485.46, 960,305,066.32 and 409,774,493.78

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Solution

The fourth proportional to 695,870,485.46, 960,305,066.32 and 409,774,493.78 is: 565,491,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,870,485.46 : 960,305,066.32 = 409,774,493.78 : x
  2. Step 2: Convert to fraction form
    695,870,485.46/960,305,066.32 = 409,774,493.78/x
  3. Step 3: Cross multiply
    695,870,485.46x = 960,305,066.32 × 409,774,493.78
  4. Step 4: Simplify right side
    695,870,485.46x = 393,508,522,425,156,672
  5. Step 5: Solve for x
    x = 393,508,522,425,156,672/695,870,485.46
  6. Step 6: Final answer
    x = 565,491,036.98

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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.