Home / 1,904,393,998.20-2,856,590,997.30-524,421,492.60

Finding the Fourth Proportional to 1,904,393,998.20, 2,856,590,997.30 and 524,421,492.60

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Solution

The fourth proportional to 1,904,393,998.20, 2,856,590,997.30 and 524,421,492.60 is: 786,632,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,393,998.20 : 2,856,590,997.30 = 524,421,492.60 : x
  2. Step 2: Convert to fraction form
    1,904,393,998.20/2,856,590,997.30 = 524,421,492.60/x
  3. Step 3: Cross multiply
    1,904,393,998.20x = 2,856,590,997.30 × 524,421,492.60
  4. Step 4: Simplify right side
    1,904,393,998.20x = 1,498,057,714,551,788,800
  5. Step 5: Solve for x
    x = 1,498,057,714,551,788,800/1,904,393,998.20
  6. Step 6: Final answer
    x = 786,632,238.90

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Double scale
Find fourth proportional to 1,904,393,999.20, 2,856,590,998.80 and 524,421,493.60
Similar ratio
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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.