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Finding the Fourth Proportional to 580,388,573.80, 870,558,542.70 and 186,906,690.60

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Solution

The fourth proportional to 580,388,573.80, 870,558,542.70 and 186,906,690.60 is: 280,352,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,388,573.80 : 870,558,542.70 = 186,906,690.60 : x
  2. Step 2: Convert to fraction form
    580,388,573.80/870,558,542.70 = 186,906,690.60/x
  3. Step 3: Cross multiply
    580,388,573.80x = 870,558,542.70 × 186,906,690.60
  4. Step 4: Simplify right side
    580,388,573.80x = 162,713,216,189,615,808
  5. Step 5: Solve for x
    x = 162,713,216,189,615,808/580,388,573.80
  6. Step 6: Final answer
    x = 280,352,204.60

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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.