Home / 492,083,148.10-737,620,837.35-287,505,919.30

Finding the Fourth Proportional to 492,083,148.10, 737,620,837.35 and 287,505,919.30

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Solution

The fourth proportional to 492,083,148.10, 737,620,837.35 and 287,505,919.30 is: 430,964,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,083,148.10 : 737,620,837.35 = 287,505,919.30 : x
  2. Step 2: Convert to fraction form
    492,083,148.10/737,620,837.35 = 287,505,919.30/x
  3. Step 3: Cross multiply
    492,083,148.10x = 737,620,837.35 × 287,505,919.30
  4. Step 4: Simplify right side
    492,083,148.10x = 212,070,356,937,147,552
  5. Step 5: Solve for x
    x = 212,070,356,937,147,552/492,083,148.10
  6. Step 6: Final answer
    x = 430,964,477.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.