Home / 27,772,860,615.16-38,329,727,116.94-15,568,861,910.58

Finding the Fourth Proportional to 27,772,860,615.16, 38,329,727,116.94 and 15,568,861,910.58

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Solution

The fourth proportional to 27,772,860,615.16, 38,329,727,116.94 and 15,568,861,910.58 is: 21,486,811,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772,860,615.16 : 38,329,727,116.94 = 15,568,861,910.58 : x
  2. Step 2: Convert to fraction form
    27,772,860,615.16/38,329,727,116.94 = 15,568,861,910.58/x
  3. Step 3: Cross multiply
    27,772,860,615.16x = 38,329,727,116.94 × 15,568,861,910.58
  4. Step 4: Simplify right side
    27,772,860,615.16x = 596,750,228,553,852,518,400
  5. Step 5: Solve for x
    x = 596,750,228,553,852,518,400/27,772,860,615.16
  6. Step 6: Final answer
    x = 21,486,811,777.25

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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.