Home / 400,208,219.10-552,161,445.03-223,968,211.74

Finding the Fourth Proportional to 400,208,219.10, 552,161,445.03 and 223,968,211.74

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Solution

The fourth proportional to 400,208,219.10, 552,161,445.03 and 223,968,211.74 is: 309,005,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,208,219.10 : 552,161,445.03 = 223,968,211.74 : x
  2. Step 2: Convert to fraction form
    400,208,219.10/552,161,445.03 = 223,968,211.74/x
  3. Step 3: Cross multiply
    400,208,219.10x = 552,161,445.03 × 223,968,211.74
  4. Step 4: Simplify right side
    400,208,219.10x = 123,666,611,435,143,408
  5. Step 5: Solve for x
    x = 123,666,611,435,143,408/400,208,219.10
  6. Step 6: Final answer
    x = 309,005,676.38

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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.