Home / 6,718,514,420.40-10,077,771,630.60-6,412,404,404.40

Finding the Fourth Proportional to 6,718,514,420.40, 10,077,771,630.60 and 6,412,404,404.40

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Solution

The fourth proportional to 6,718,514,420.40, 10,077,771,630.60 and 6,412,404,404.40 is: 9,618,606,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,514,420.40 : 10,077,771,630.60 = 6,412,404,404.40 : x
  2. Step 2: Convert to fraction form
    6,718,514,420.40/10,077,771,630.60 = 6,412,404,404.40/x
  3. Step 3: Cross multiply
    6,718,514,420.40x = 10,077,771,630.60 × 6,412,404,404.40
  4. Step 4: Simplify right side
    6,718,514,420.40x = 64,622,747,190,596,804,608
  5. Step 5: Solve for x
    x = 64,622,747,190,596,804,608/6,718,514,420.40
  6. Step 6: Final answer
    x = 9,618,606,606.60

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Double scale
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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.