Home / 1,049,076,101.68-1,448,378,379.28-667,813,259.06

Finding the Fourth Proportional to 1,049,076,101.68, 1,448,378,379.28 and 667,813,259.06

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Solution

The fourth proportional to 1,049,076,101.68, 1,448,378,379.28 and 667,813,259.06 is: 921,998,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,076,101.68 : 1,448,378,379.28 = 667,813,259.06 : x
  2. Step 2: Convert to fraction form
    1,049,076,101.68/1,448,378,379.28 = 667,813,259.06/x
  3. Step 3: Cross multiply
    1,049,076,101.68x = 1,448,378,379.28 × 667,813,259.06
  4. Step 4: Simplify right side
    1,049,076,101.68x = 967,246,285,819,017,472
  5. Step 5: Solve for x
    x = 967,246,285,819,017,472/1,049,076,101.68
  6. Step 6: Final answer
    x = 921,998,208.01

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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.