Home / 283,695,007.80-425,542,511.70-186,760,169.40

Finding the Fourth Proportional to 283,695,007.80, 425,542,511.70 and 186,760,169.40

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Solution

The fourth proportional to 283,695,007.80, 425,542,511.70 and 186,760,169.40 is: 280,140,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,695,007.80 : 425,542,511.70 = 186,760,169.40 : x
  2. Step 2: Convert to fraction form
    283,695,007.80/425,542,511.70 = 186,760,169.40/x
  3. Step 3: Cross multiply
    283,695,007.80x = 425,542,511.70 × 186,760,169.40
  4. Step 4: Simplify right side
    283,695,007.80x = 79,474,391,571,993,488
  5. Step 5: Solve for x
    x = 79,474,391,571,993,488/283,695,007.80
  6. Step 6: Final answer
    x = 280,140,254.10

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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.