Home / 770,297,918.54-1,063,011,127.56-440,280,143.42

Finding the Fourth Proportional to 770,297,918.54, 1,063,011,127.56 and 440,280,143.42

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Solution

The fourth proportional to 770,297,918.54, 1,063,011,127.56 and 440,280,143.42 is: 607,586,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,297,918.54 : 1,063,011,127.56 = 440,280,143.42 : x
  2. Step 2: Convert to fraction form
    770,297,918.54/1,063,011,127.56 = 440,280,143.42/x
  3. Step 3: Cross multiply
    770,297,918.54x = 1,063,011,127.56 × 440,280,143.42
  4. Step 4: Simplify right side
    770,297,918.54x = 468,022,691,699,172,736
  5. Step 5: Solve for x
    x = 468,022,691,699,172,736/770,297,918.54
  6. Step 6: Final answer
    x = 607,586,597.91

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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.