Home / 789,785,912.40-1,184,678,868.60-560,203,400.40

Finding the Fourth Proportional to 789,785,912.40, 1,184,678,868.60 and 560,203,400.40

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Solution

The fourth proportional to 789,785,912.40, 1,184,678,868.60 and 560,203,400.40 is: 840,305,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,785,912.40 : 1,184,678,868.60 = 560,203,400.40 : x
  2. Step 2: Convert to fraction form
    789,785,912.40/1,184,678,868.60 = 560,203,400.40/x
  3. Step 3: Cross multiply
    789,785,912.40x = 1,184,678,868.60 × 560,203,400.40
  4. Step 4: Simplify right side
    789,785,912.40x = 663,661,130,571,744,768
  5. Step 5: Solve for x
    x = 663,661,130,571,744,768/789,785,912.40
  6. Step 6: Final answer
    x = 840,305,100.60

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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.