Home / 550,013,234,616.51-759,018,300,270.39-306,137,469,778.32

Finding the Fourth Proportional to 550,013,234,616.51, 759,018,300,270.39 and 306,137,469,778.32

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Solution

The fourth proportional to 550,013,234,616.51, 759,018,300,270.39 and 306,137,469,778.32 is: 422,469,728,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,013,234,616.51 : 759,018,300,270.39 = 306,137,469,778.32 : x
  2. Step 2: Convert to fraction form
    550,013,234,616.51/759,018,300,270.39 = 306,137,469,778.32/x
  3. Step 3: Cross multiply
    550,013,234,616.51x = 759,018,300,270.39 × 306,137,469,778.32
  4. Step 4: Simplify right side
    550,013,234,616.51x = 232,363,941,960,218,331,578,368
  5. Step 5: Solve for x
    x = 232,363,941,960,218,331,578,368/550,013,234,616.51
  6. Step 6: Final answer
    x = 422,469,728,609.77

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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.