Home / 9,206,985,727.72-12,705,616,406.46-5,137,844,768.68

Finding the Fourth Proportional to 9,206,985,727.72, 12,705,616,406.46 and 5,137,844,768.68

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Solution

The fourth proportional to 9,206,985,727.72, 12,705,616,406.46 and 5,137,844,768.68 is: 7,090,212,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,985,727.72 : 12,705,616,406.46 = 5,137,844,768.68 : x
  2. Step 2: Convert to fraction form
    9,206,985,727.72/12,705,616,406.46 = 5,137,844,768.68/x
  3. Step 3: Cross multiply
    9,206,985,727.72x = 12,705,616,406.46 × 5,137,844,768.68
  4. Step 4: Simplify right side
    9,206,985,727.72x = 65,279,484,786,785,288,192
  5. Step 5: Solve for x
    x = 65,279,484,786,785,288,192/9,206,985,727.72
  6. Step 6: Final answer
    x = 7,090,212,444.91

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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.