Home / 15,553,534,891.16-21,463,932,344.46-8,416,946,914.76

Finding the Fourth Proportional to 15,553,534,891.16, 21,463,932,344.46 and 8,416,946,914.76

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Solution

The fourth proportional to 15,553,534,891.16, 21,463,932,344.46 and 8,416,946,914.76 is: 11,615,416,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,534,891.16 : 21,463,932,344.46 = 8,416,946,914.76 : x
  2. Step 2: Convert to fraction form
    15,553,534,891.16/21,463,932,344.46 = 8,416,946,914.76/x
  3. Step 3: Cross multiply
    15,553,534,891.16x = 21,463,932,344.46 × 8,416,946,914.76
  4. Step 4: Simplify right side
    15,553,534,891.16x = 180,660,779,125,319,958,528
  5. Step 5: Solve for x
    x = 180,660,779,125,319,958,528/15,553,534,891.16
  6. Step 6: Final answer
    x = 11,615,416,070.34

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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.