Home / 10,059,129,611.40-15,088,694,417.10-9,990,254,857.80

Finding the Fourth Proportional to 10,059,129,611.40, 15,088,694,417.10 and 9,990,254,857.80

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Solution

The fourth proportional to 10,059,129,611.40, 15,088,694,417.10 and 9,990,254,857.80 is: 14,985,382,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059,129,611.40 : 15,088,694,417.10 = 9,990,254,857.80 : x
  2. Step 2: Convert to fraction form
    10,059,129,611.40/15,088,694,417.10 = 9,990,254,857.80/x
  3. Step 3: Cross multiply
    10,059,129,611.40x = 15,088,694,417.10 × 9,990,254,857.80
  4. Step 4: Simplify right side
    10,059,129,611.40x = 150,739,902,698,293,002,240
  5. Step 5: Solve for x
    x = 150,739,902,698,293,002,240/10,059,129,611.40
  6. Step 6: Final answer
    x = 14,985,382,286.70

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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.