Home / 492,048,567.90-738,072,851.85-200,818,899.90

Finding the Fourth Proportional to 492,048,567.90, 738,072,851.85 and 200,818,899.90

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Solution

The fourth proportional to 492,048,567.90, 738,072,851.85 and 200,818,899.90 is: 301,228,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,048,567.90 : 738,072,851.85 = 200,818,899.90 : x
  2. Step 2: Convert to fraction form
    492,048,567.90/738,072,851.85 = 200,818,899.90/x
  3. Step 3: Cross multiply
    492,048,567.90x = 738,072,851.85 × 200,818,899.90
  4. Step 4: Simplify right side
    492,048,567.90x = 148,218,978,154,572,704
  5. Step 5: Solve for x
    x = 148,218,978,154,572,704/492,048,567.90
  6. Step 6: Final answer
    x = 301,228,349.85

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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.