Home / 400,169,521.28-552,291,936.90-230,590,767.36

Finding the Fourth Proportional to 400,169,521.28, 552,291,936.90 and 230,590,767.36

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Solution

The fourth proportional to 400,169,521.28, 552,291,936.90 and 230,590,767.36 is: 318,248,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,169,521.28 : 552,291,936.90 = 230,590,767.36 : x
  2. Step 2: Convert to fraction form
    400,169,521.28/552,291,936.90 = 230,590,767.36/x
  3. Step 3: Cross multiply
    400,169,521.28x = 552,291,936.90 × 230,590,767.36
  4. Step 4: Simplify right side
    400,169,521.28x = 127,353,421,536,511,696
  5. Step 5: Solve for x
    x = 127,353,421,536,511,696/400,169,521.28
  6. Step 6: Final answer
    x = 318,248,679.03

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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.