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Finding the Fourth Proportional to 562,568,690.80, 843,853,036.20 and 531,001,095.40

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Solution

The fourth proportional to 562,568,690.80, 843,853,036.20 and 531,001,095.40 is: 796,501,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,568,690.80 : 843,853,036.20 = 531,001,095.40 : x
  2. Step 2: Convert to fraction form
    562,568,690.80/843,853,036.20 = 531,001,095.40/x
  3. Step 3: Cross multiply
    562,568,690.80x = 843,853,036.20 × 531,001,095.40
  4. Step 4: Simplify right side
    562,568,690.80x = 448,086,886,578,815,872
  5. Step 5: Solve for x
    x = 448,086,886,578,815,872/562,568,690.80
  6. Step 6: Final answer
    x = 796,501,643.10

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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.