Home / 697,785,153.20-1,046,044,217.22-348,138,161.96

Finding the Fourth Proportional to 697,785,153.20, 1,046,044,217.22 and 348,138,161.96

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Solution

The fourth proportional to 697,785,153.20, 1,046,044,217.22 and 348,138,161.96 is: 521,891,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,785,153.20 : 1,046,044,217.22 = 348,138,161.96 : x
  2. Step 2: Convert to fraction form
    697,785,153.20/1,046,044,217.22 = 348,138,161.96/x
  3. Step 3: Cross multiply
    697,785,153.20x = 1,046,044,217.22 × 348,138,161.96
  4. Step 4: Simplify right side
    697,785,153.20x = 364,167,911,111,857,792
  5. Step 5: Solve for x
    x = 364,167,911,111,857,792/697,785,153.20
  6. Step 6: Final answer
    x = 521,891,171.58

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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.