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Finding the Fourth Proportional to 562,568,703.80, 843,853,055.70 and 531,001,108.40

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Solution

The fourth proportional to 562,568,703.80, 843,853,055.70 and 531,001,108.40 is: 796,501,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,568,703.80 : 843,853,055.70 = 531,001,108.40 : x
  2. Step 2: Convert to fraction form
    562,568,703.80/843,853,055.70 = 531,001,108.40/x
  3. Step 3: Cross multiply
    562,568,703.80x = 843,853,055.70 × 531,001,108.40
  4. Step 4: Simplify right side
    562,568,703.80x = 448,086,907,903,426,944
  5. Step 5: Solve for x
    x = 448,086,907,903,426,944/562,568,703.80
  6. Step 6: Final answer
    x = 796,501,662.60

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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.