Home / 10,081,344,966.40-15,122,017,449.60-2,720,343,865.60

Finding the Fourth Proportional to 10,081,344,966.40, 15,122,017,449.60 and 2,720,343,865.60

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Solution

The fourth proportional to 10,081,344,966.40, 15,122,017,449.60 and 2,720,343,865.60 is: 4,080,515,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,344,966.40 : 15,122,017,449.60 = 2,720,343,865.60 : x
  2. Step 2: Convert to fraction form
    10,081,344,966.40/15,122,017,449.60 = 2,720,343,865.60/x
  3. Step 3: Cross multiply
    10,081,344,966.40x = 15,122,017,449.60 × 2,720,343,865.60
  4. Step 4: Simplify right side
    10,081,344,966.40x = 41,137,087,404,515,516,416
  5. Step 5: Solve for x
    x = 41,137,087,404,515,516,416/10,081,344,966.40
  6. Step 6: Final answer
    x = 4,080,515,798.40

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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.