Home / 944,785,205.20-1,417,177,807.80-289,731,028.60

Finding the Fourth Proportional to 944,785,205.20, 1,417,177,807.80 and 289,731,028.60

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Solution

The fourth proportional to 944,785,205.20, 1,417,177,807.80 and 289,731,028.60 is: 434,596,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,785,205.20 : 1,417,177,807.80 = 289,731,028.60 : x
  2. Step 2: Convert to fraction form
    944,785,205.20/1,417,177,807.80 = 289,731,028.60/x
  3. Step 3: Cross multiply
    944,785,205.20x = 1,417,177,807.80 × 289,731,028.60
  4. Step 4: Simplify right side
    944,785,205.20x = 410,600,383,962,987,136
  5. Step 5: Solve for x
    x = 410,600,383,962,987,136/944,785,205.20
  6. Step 6: Final answer
    x = 434,596,542.90

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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.