Home / 400,169,531.28-552,291,950.70-230,590,777.36

Finding the Fourth Proportional to 400,169,531.28, 552,291,950.70 and 230,590,777.36

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Solution

The fourth proportional to 400,169,531.28, 552,291,950.70 and 230,590,777.36 is: 318,248,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,169,531.28 : 552,291,950.70 = 230,590,777.36 : x
  2. Step 2: Convert to fraction form
    400,169,531.28/552,291,950.70 = 230,590,777.36/x
  3. Step 3: Cross multiply
    400,169,531.28x = 552,291,950.70 × 230,590,777.36
  4. Step 4: Simplify right side
    400,169,531.28x = 127,353,430,241,583,808
  5. Step 5: Solve for x
    x = 127,353,430,241,583,808/400,169,531.28
  6. Step 6: Final answer
    x = 318,248,692.83

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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.