Home / 525,557,249.49-788,414,262.66-193,538,730.48

Finding the Fourth Proportional to 525,557,249.49, 788,414,262.66 and 193,538,730.48

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Solution

The fourth proportional to 525,557,249.49, 788,414,262.66 and 193,538,730.48 is: 290,336,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,557,249.49 : 788,414,262.66 = 193,538,730.48 : x
  2. Step 2: Convert to fraction form
    525,557,249.49/788,414,262.66 = 193,538,730.48/x
  3. Step 3: Cross multiply
    525,557,249.49x = 788,414,262.66 × 193,538,730.48
  4. Step 4: Simplify right side
    525,557,249.49x = 152,588,695,487,541,664
  5. Step 5: Solve for x
    x = 152,588,695,487,541,664/525,557,249.49
  6. Step 6: Final answer
    x = 290,336,962.60

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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.