Home / 519,694,429.84-717,001,756.64-296,515,781.90

Finding the Fourth Proportional to 519,694,429.84, 717,001,756.64 and 296,515,781.90

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Solution

The fourth proportional to 519,694,429.84, 717,001,756.64 and 296,515,781.90 is: 409,091,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,694,429.84 : 717,001,756.64 = 296,515,781.90 : x
  2. Step 2: Convert to fraction form
    519,694,429.84/717,001,756.64 = 296,515,781.90/x
  3. Step 3: Cross multiply
    519,694,429.84x = 717,001,756.64 × 296,515,781.90
  4. Step 4: Simplify right side
    519,694,429.84x = 212,602,336,493,783,104
  5. Step 5: Solve for x
    x = 212,602,336,493,783,104/519,694,429.84
  6. Step 6: Final answer
    x = 409,091,043.29

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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.