Home / 888,521,450.47-1,226,198,145.06-492,044,440.03

Finding the Fourth Proportional to 888,521,450.47, 1,226,198,145.06 and 492,044,440.03

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Solution

The fourth proportional to 888,521,450.47, 1,226,198,145.06 and 492,044,440.03 is: 679,042,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,521,450.47 : 1,226,198,145.06 = 492,044,440.03 : x
  2. Step 2: Convert to fraction form
    888,521,450.47/1,226,198,145.06 = 492,044,440.03/x
  3. Step 3: Cross multiply
    888,521,450.47x = 1,226,198,145.06 × 492,044,440.03
  4. Step 4: Simplify right side
    888,521,450.47x = 603,343,979,645,741,312
  5. Step 5: Solve for x
    x = 603,343,979,645,741,312/888,521,450.47
  6. Step 6: Final answer
    x = 679,042,671.77

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1.5x scale

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.