Home / 519,584,051.48-717,020,276.72-281,423,310.82

Finding the Fourth Proportional to 519,584,051.48, 717,020,276.72 and 281,423,310.82

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Solution

The fourth proportional to 519,584,051.48, 717,020,276.72 and 281,423,310.82 is: 388,361,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,584,051.48 : 717,020,276.72 = 281,423,310.82 : x
  2. Step 2: Convert to fraction form
    519,584,051.48/717,020,276.72 = 281,423,310.82/x
  3. Step 3: Cross multiply
    519,584,051.48x = 717,020,276.72 × 281,423,310.82
  4. Step 4: Simplify right side
    519,584,051.48x = 201,786,220,199,614,976
  5. Step 5: Solve for x
    x = 201,786,220,199,614,976/519,584,051.48
  6. Step 6: Final answer
    x = 388,361,073.87

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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.