Home / 328,032,003.10-492,048,004.65-133,878,891.10

Finding the Fourth Proportional to 328,032,003.10, 492,048,004.65 and 133,878,891.10

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Solution

The fourth proportional to 328,032,003.10, 492,048,004.65 and 133,878,891.10 is: 200,818,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,003.10 : 492,048,004.65 = 133,878,891.10 : x
  2. Step 2: Convert to fraction form
    328,032,003.10/492,048,004.65 = 133,878,891.10/x
  3. Step 3: Cross multiply
    328,032,003.10x = 492,048,004.65 × 133,878,891.10
  4. Step 4: Simplify right side
    328,032,003.10x = 65,874,841,230,509,640
  5. Step 5: Solve for x
    x = 65,874,841,230,509,640/328,032,003.10
  6. Step 6: Final answer
    x = 200,818,336.65

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Similar ratio
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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.