Home / 777,333,311.46-1,072,720,020.54-424,910,698.20

Finding the Fourth Proportional to 777,333,311.46, 1,072,720,020.54 and 424,910,698.20

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Solution

The fourth proportional to 777,333,311.46, 1,072,720,020.54 and 424,910,698.20 is: 586,376,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,333,311.46 : 1,072,720,020.54 = 424,910,698.20 : x
  2. Step 2: Convert to fraction form
    777,333,311.46/1,072,720,020.54 = 424,910,698.20/x
  3. Step 3: Cross multiply
    777,333,311.46x = 1,072,720,020.54 × 424,910,698.20
  4. Step 4: Simplify right side
    777,333,311.46x = 455,810,212,900,769,728
  5. Step 5: Solve for x
    x = 455,810,212,900,769,728/777,333,311.46
  6. Step 6: Final answer
    x = 586,376,791.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.