Home / 256,223,379.66-353,613,555.63-146,231,548.62

Finding the Fourth Proportional to 256,223,379.66, 353,613,555.63 and 146,231,548.62

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Solution

The fourth proportional to 256,223,379.66, 353,613,555.63 and 146,231,548.62 is: 201,813,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,223,379.66 : 353,613,555.63 = 146,231,548.62 : x
  2. Step 2: Convert to fraction form
    256,223,379.66/353,613,555.63 = 146,231,548.62/x
  3. Step 3: Cross multiply
    256,223,379.66x = 353,613,555.63 × 146,231,548.62
  4. Step 4: Simplify right side
    256,223,379.66x = 51,709,457,852,799,424
  5. Step 5: Solve for x
    x = 51,709,457,852,799,424/256,223,379.66
  6. Step 6: Final answer
    x = 201,813,971.55

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1.5x scale

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.