Home / 1,049,076,101.70-1,448,378,379.39-667,813,259.00

Finding the Fourth Proportional to 1,049,076,101.70, 1,448,378,379.39 and 667,813,259.00

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Solution

The fourth proportional to 1,049,076,101.70, 1,448,378,379.39 and 667,813,259.00 is: 921,998,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,076,101.70 : 1,448,378,379.39 = 667,813,259.00 : x
  2. Step 2: Convert to fraction form
    1,049,076,101.70/1,448,378,379.39 = 667,813,259.00/x
  3. Step 3: Cross multiply
    1,049,076,101.70x = 1,448,378,379.39 × 667,813,259.00
  4. Step 4: Simplify right side
    1,049,076,101.70x = 967,246,285,798,332,544
  5. Step 5: Solve for x
    x = 967,246,285,798,332,544/1,049,076,101.70
  6. Step 6: Final answer
    x = 921,998,207.98

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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.