Home / 1,000,196,024.43-1,499,712,489.34-378,459,285.38

Finding the Fourth Proportional to 1,000,196,024.43, 1,499,712,489.34 and 378,459,285.38

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Solution

The fourth proportional to 1,000,196,024.43, 1,499,712,489.34 and 378,459,285.38 is: 567,468,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,196,024.43 : 1,499,712,489.34 = 378,459,285.38 : x
  2. Step 2: Convert to fraction form
    1,000,196,024.43/1,499,712,489.34 = 378,459,285.38/x
  3. Step 3: Cross multiply
    1,000,196,024.43x = 1,499,712,489.34 × 378,459,285.38
  4. Step 4: Simplify right side
    1,000,196,024.43x = 567,580,116,990,375,936
  5. Step 5: Solve for x
    x = 567,580,116,990,375,936/1,000,196,024.43
  6. Step 6: Final answer
    x = 567,468,879.22

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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.