Home / 657,072,002.30-985,608,003.45-334,585,730.30

Finding the Fourth Proportional to 657,072,002.30, 985,608,003.45 and 334,585,730.30

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Solution

The fourth proportional to 657,072,002.30, 985,608,003.45 and 334,585,730.30 is: 501,878,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,072,002.30 : 985,608,003.45 = 334,585,730.30 : x
  2. Step 2: Convert to fraction form
    657,072,002.30/985,608,003.45 = 334,585,730.30/x
  3. Step 3: Cross multiply
    657,072,002.30x = 985,608,003.45 × 334,585,730.30
  4. Step 4: Simplify right side
    657,072,002.30x = 329,770,373,623,843,200
  5. Step 5: Solve for x
    x = 329,770,373,623,843,200/657,072,002.30
  6. Step 6: Final answer
    x = 501,878,595.45

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Double scale
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Similar ratio
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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.