Home / 9,921,215,434.52-13,682,080,707.08-7,240,749,852.44

Finding the Fourth Proportional to 9,921,215,434.52, 13,682,080,707.08 and 7,240,749,852.44

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Solution

The fourth proportional to 9,921,215,434.52, 13,682,080,707.08 and 7,240,749,852.44 is: 9,985,522,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921,215,434.52 : 13,682,080,707.08 = 7,240,749,852.44 : x
  2. Step 2: Convert to fraction form
    9,921,215,434.52/13,682,080,707.08 = 7,240,749,852.44/x
  3. Step 3: Cross multiply
    9,921,215,434.52x = 13,682,080,707.08 × 7,240,749,852.44
  4. Step 4: Simplify right side
    9,921,215,434.52x = 99,068,523,860,822,392,832
  5. Step 5: Solve for x
    x = 99,068,523,860,822,392,832/9,921,215,434.52
  6. Step 6: Final answer
    x = 9,985,522,894.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.