Home / 547,242,293.76-755,179,911.36-312,288,743.04

Finding the Fourth Proportional to 547,242,293.76, 755,179,911.36 and 312,288,743.04

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Solution

The fourth proportional to 547,242,293.76, 755,179,911.36 and 312,288,743.04 is: 430,950,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,242,293.76 : 755,179,911.36 = 312,288,743.04 : x
  2. Step 2: Convert to fraction form
    547,242,293.76/755,179,911.36 = 312,288,743.04/x
  3. Step 3: Cross multiply
    547,242,293.76x = 755,179,911.36 × 312,288,743.04
  4. Step 4: Simplify right side
    547,242,293.76x = 235,834,185,287,673,024
  5. Step 5: Solve for x
    x = 235,834,185,287,673,024/547,242,293.76
  6. Step 6: Final answer
    x = 430,950,217.07

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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.