Home / 1,022,153,041.25-1,533,487,584.14-285,222,326.79

Finding the Fourth Proportional to 1,022,153,041.25, 1,533,487,584.14 and 285,222,326.79

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Solution

The fourth proportional to 1,022,153,041.25, 1,533,487,584.14 and 285,222,326.79 is: 427,905,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,153,041.25 : 1,533,487,584.14 = 285,222,326.79 : x
  2. Step 2: Convert to fraction form
    1,022,153,041.25/1,533,487,584.14 = 285,222,326.79/x
  3. Step 3: Cross multiply
    1,022,153,041.25x = 1,533,487,584.14 × 285,222,326.79
  4. Step 4: Simplify right side
    1,022,153,041.25x = 437,384,896,850,560,640
  5. Step 5: Solve for x
    x = 437,384,896,850,560,640/1,022,153,041.25
  6. Step 6: Final answer
    x = 427,905,488.91

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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.