Home / 400,156,889.63-552,216,507.69-217,016,537.63

Finding the Fourth Proportional to 400,156,889.63, 552,216,507.69 and 217,016,537.63

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Solution

The fourth proportional to 400,156,889.63, 552,216,507.69 and 217,016,537.63 is: 299,482,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,156,889.63 : 552,216,507.69 = 217,016,537.63 : x
  2. Step 2: Convert to fraction form
    400,156,889.63/552,216,507.69 = 217,016,537.63/x
  3. Step 3: Cross multiply
    400,156,889.63x = 552,216,507.69 × 217,016,537.63
  4. Step 4: Simplify right side
    400,156,889.63x = 119,840,114,518,252,992
  5. Step 5: Solve for x
    x = 119,840,114,518,252,992/400,156,889.63
  6. Step 6: Final answer
    x = 299,482,821.93

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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.