Home / 533,358,147,691.80-736,032,387,891.48-289,487,615,910.53

Finding the Fourth Proportional to 533,358,147,691.80, 736,032,387,891.48 and 289,487,615,910.53

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Solution

The fourth proportional to 533,358,147,691.80, 736,032,387,891.48 and 289,487,615,910.53 is: 399,491,902,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,358,147,691.80 : 736,032,387,891.48 = 289,487,615,910.53 : x
  2. Step 2: Convert to fraction form
    533,358,147,691.80/736,032,387,891.48 = 289,487,615,910.53/x
  3. Step 3: Cross multiply
    533,358,147,691.80x = 736,032,387,891.48 × 289,487,615,910.53
  4. Step 4: Simplify right side
    533,358,147,691.80x = 213,072,261,203,639,001,939,968
  5. Step 5: Solve for x
    x = 213,072,261,203,639,001,939,968/533,358,147,691.80
  6. Step 6: Final answer
    x = 399,491,902,628.18

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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.