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Finding the Fourth Proportional to 1,000,899,873.99, 1,501,599,879.27 and 706,370,072.22

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Solution

The fourth proportional to 1,000,899,873.99, 1,501,599,879.27 and 706,370,072.22 is: 1,059,731,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,899,873.99 : 1,501,599,879.27 = 706,370,072.22 : x
  2. Step 2: Convert to fraction form
    1,000,899,873.99/1,501,599,879.27 = 706,370,072.22/x
  3. Step 3: Cross multiply
    1,000,899,873.99x = 1,501,599,879.27 × 706,370,072.22
  4. Step 4: Simplify right side
    1,000,899,873.99x = 1,060,685,215,165,493,248
  5. Step 5: Solve for x
    x = 1,060,685,215,165,493,248/1,000,899,873.99
  6. Step 6: Final answer
    x = 1,059,731,590.27

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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.