Home / 7,153,553,235.36-9,871,903,939.44-3,981,669,081.60

Finding the Fourth Proportional to 7,153,553,235.36, 9,871,903,939.44 and 3,981,669,081.60

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Solution

The fourth proportional to 7,153,553,235.36, 9,871,903,939.44 and 3,981,669,081.60 is: 5,494,703,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153,553,235.36 : 9,871,903,939.44 = 3,981,669,081.60 : x
  2. Step 2: Convert to fraction form
    7,153,553,235.36/9,871,903,939.44 = 3,981,669,081.60/x
  3. Step 3: Cross multiply
    7,153,553,235.36x = 9,871,903,939.44 × 3,981,669,081.60
  4. Step 4: Simplify right side
    7,153,553,235.36x = 39,306,654,692,193,484,800
  5. Step 5: Solve for x
    x = 39,306,654,692,193,484,800/7,153,553,235.36
  6. Step 6: Final answer
    x = 5,494,703,596.79

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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.