Home / 661,540,118.93-992,337,563.74-195,201,533.65

Finding the Fourth Proportional to 661,540,118.93, 992,337,563.74 and 195,201,533.65

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Solution

The fourth proportional to 661,540,118.93, 992,337,563.74 and 195,201,533.65 is: 292,810,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,540,118.93 : 992,337,563.74 = 195,201,533.65 : x
  2. Step 2: Convert to fraction form
    661,540,118.93/992,337,563.74 = 195,201,533.65/x
  3. Step 3: Cross multiply
    661,540,118.93x = 992,337,563.74 × 195,201,533.65
  4. Step 4: Simplify right side
    661,540,118.93x = 193,705,814,340,552,640
  5. Step 5: Solve for x
    x = 193,705,814,340,552,640/661,540,118.93
  6. Step 6: Final answer
    x = 292,810,381.11

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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.