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Finding the Fourth Proportional to 577,369,805.70, 866,054,708.55 and 565,890,680.10

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Solution

The fourth proportional to 577,369,805.70, 866,054,708.55 and 565,890,680.10 is: 848,836,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,369,805.70 : 866,054,708.55 = 565,890,680.10 : x
  2. Step 2: Convert to fraction form
    577,369,805.70/866,054,708.55 = 565,890,680.10/x
  3. Step 3: Cross multiply
    577,369,805.70x = 866,054,708.55 × 565,890,680.10
  4. Step 4: Simplify right side
    577,369,805.70x = 490,092,288,025,166,784
  5. Step 5: Solve for x
    x = 490,092,288,025,166,784/577,369,805.70
  6. Step 6: Final answer
    x = 848,836,020.15

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Double scale
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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.