Home / 915,558,557.84-1,263,504,035.88-524,493,564.56

Finding the Fourth Proportional to 915,558,557.84, 1,263,504,035.88 and 524,493,564.56

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Solution

The fourth proportional to 915,558,557.84, 1,263,504,035.88 and 524,493,564.56 is: 723,820,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,558,557.84 : 1,263,504,035.88 = 524,493,564.56 : x
  2. Step 2: Convert to fraction form
    915,558,557.84/1,263,504,035.88 = 524,493,564.56/x
  3. Step 3: Cross multiply
    915,558,557.84x = 1,263,504,035.88 × 524,493,564.56
  4. Step 4: Simplify right side
    915,558,557.84x = 662,699,735,614,647,424
  5. Step 5: Solve for x
    x = 662,699,735,614,647,424/915,558,557.84
  6. Step 6: Final answer
    x = 723,820,153.22

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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.