Home / 10,081,344,985.90-15,122,017,478.85-2,720,343,885.10

Finding the Fourth Proportional to 10,081,344,985.90, 15,122,017,478.85 and 2,720,343,885.10

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Solution

The fourth proportional to 10,081,344,985.90, 15,122,017,478.85 and 2,720,343,885.10 is: 4,080,515,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,344,985.90 : 15,122,017,478.85 = 2,720,343,885.10 : x
  2. Step 2: Convert to fraction form
    10,081,344,985.90/15,122,017,478.85 = 2,720,343,885.10/x
  3. Step 3: Cross multiply
    10,081,344,985.90x = 15,122,017,478.85 × 2,720,343,885.10
  4. Step 4: Simplify right side
    10,081,344,985.90x = 41,137,087,778,964,914,176
  5. Step 5: Solve for x
    x = 41,137,087,778,964,914,176/10,081,344,985.90
  6. Step 6: Final answer
    x = 4,080,515,827.65

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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.