Home / 6,613,488,009.20-9,920,232,013.80-3,705,064,943.60

Finding the Fourth Proportional to 6,613,488,009.20, 9,920,232,013.80 and 3,705,064,943.60

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Solution

The fourth proportional to 6,613,488,009.20, 9,920,232,013.80 and 3,705,064,943.60 is: 5,557,597,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613,488,009.20 : 9,920,232,013.80 = 3,705,064,943.60 : x
  2. Step 2: Convert to fraction form
    6,613,488,009.20/9,920,232,013.80 = 3,705,064,943.60/x
  3. Step 3: Cross multiply
    6,613,488,009.20x = 9,920,232,013.80 × 3,705,064,943.60
  4. Step 4: Simplify right side
    6,613,488,009.20x = 36,755,103,866,708,807,680
  5. Step 5: Solve for x
    x = 36,755,103,866,708,807,680/6,613,488,009.20
  6. Step 6: Final answer
    x = 5,557,597,415.40

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Double scale
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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.