Home / 1,512,032,143.80-2,268,048,215.70-476,997,652.20

Finding the Fourth Proportional to 1,512,032,143.80, 2,268,048,215.70 and 476,997,652.20

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Solution

The fourth proportional to 1,512,032,143.80, 2,268,048,215.70 and 476,997,652.20 is: 715,496,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,032,143.80 : 2,268,048,215.70 = 476,997,652.20 : x
  2. Step 2: Convert to fraction form
    1,512,032,143.80/2,268,048,215.70 = 476,997,652.20/x
  3. Step 3: Cross multiply
    1,512,032,143.80x = 2,268,048,215.70 × 476,997,652.20
  4. Step 4: Simplify right side
    1,512,032,143.80x = 1,081,853,673,965,299,072
  5. Step 5: Solve for x
    x = 1,081,853,673,965,299,072/1,512,032,143.80
  6. Step 6: Final answer
    x = 715,496,478.30

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Double scale
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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.