Home / 492,096,407.10-738,144,610.65-287,519,178.30

Finding the Fourth Proportional to 492,096,407.10, 738,144,610.65 and 287,519,178.30

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Solution

The fourth proportional to 492,096,407.10, 738,144,610.65 and 287,519,178.30 is: 431,278,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,096,407.10 : 738,144,610.65 = 287,519,178.30 : x
  2. Step 2: Convert to fraction form
    492,096,407.10/738,144,610.65 = 287,519,178.30/x
  3. Step 3: Cross multiply
    492,096,407.10x = 738,144,610.65 × 287,519,178.30
  4. Step 4: Simplify right side
    492,096,407.10x = 212,230,731,920,661,440
  5. Step 5: Solve for x
    x = 212,230,731,920,661,440/492,096,407.10
  6. Step 6: Final answer
    x = 431,278,767.45

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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.