Home / 726,785,812.80-1,088,667,064.80-605,853,460.80

Finding the Fourth Proportional to 726,785,812.80, 1,088,667,064.80 and 605,853,460.80

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Solution

The fourth proportional to 726,785,812.80, 1,088,667,064.80 and 605,853,460.80 is: 907,520,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,785,812.80 : 1,088,667,064.80 = 605,853,460.80 : x
  2. Step 2: Convert to fraction form
    726,785,812.80/1,088,667,064.80 = 605,853,460.80/x
  3. Step 3: Cross multiply
    726,785,812.80x = 1,088,667,064.80 × 605,853,460.80
  4. Step 4: Simplify right side
    726,785,812.80x = 659,572,708,868,057,728
  5. Step 5: Solve for x
    x = 659,572,708,868,057,728/726,785,812.80
  6. Step 6: Final answer
    x = 907,520,066.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.