Home / 746,423,345.20-1,119,635,017.80-201,164,879.20

Finding the Fourth Proportional to 746,423,345.20, 1,119,635,017.80 and 201,164,879.20

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Solution

The fourth proportional to 746,423,345.20, 1,119,635,017.80 and 201,164,879.20 is: 301,747,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,423,345.20 : 1,119,635,017.80 = 201,164,879.20 : x
  2. Step 2: Convert to fraction form
    746,423,345.20/1,119,635,017.80 = 201,164,879.20/x
  3. Step 3: Cross multiply
    746,423,345.20x = 1,119,635,017.80 × 201,164,879.20
  4. Step 4: Simplify right side
    746,423,345.20x = 225,231,243,103,826,816
  5. Step 5: Solve for x
    x = 225,231,243,103,826,816/746,423,345.20
  6. Step 6: Final answer
    x = 301,747,318.80

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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.