Home / 284,908,840-393,174,225.12-161,146,853.44

Finding the Fourth Proportional to 284,908,840, 393,174,225.12 and 161,146,853.44

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Solution

The fourth proportional to 284,908,840, 393,174,225.12 and 161,146,853.44 is: 222,382,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,908,840 : 393,174,225.12 = 161,146,853.44 : x
  2. Step 2: Convert to fraction form
    284,908,840/393,174,225.12 = 161,146,853.44/x
  3. Step 3: Cross multiply
    284,908,840x = 393,174,225.12 × 161,146,853.44
  4. Step 4: Simplify right side
    284,908,840x = 63,358,789,231,798,208
  5. Step 5: Solve for x
    x = 63,358,789,231,798,208/284,908,840
  6. Step 6: Final answer
    x = 222,382,672.41

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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.