Home / 557,936,152.96-769,932,511.68-307,017,097.60

Finding the Fourth Proportional to 557,936,152.96, 769,932,511.68 and 307,017,097.60

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Solution

The fourth proportional to 557,936,152.96, 769,932,511.68 and 307,017,097.60 is: 423,672,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,936,152.96 : 769,932,511.68 = 307,017,097.60 : x
  2. Step 2: Convert to fraction form
    557,936,152.96/769,932,511.68 = 307,017,097.60/x
  3. Step 3: Cross multiply
    557,936,152.96x = 769,932,511.68 × 307,017,097.60
  4. Step 4: Simplify right side
    557,936,152.96x = 236,382,445,083,871,712
  5. Step 5: Solve for x
    x = 236,382,445,083,871,712/557,936,152.96
  6. Step 6: Final answer
    x = 423,672,930.73

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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.