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Finding the Fourth Proportional to 758,889,009.80, 1,138,333,514.70 and 758,889,009.80

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Solution

The fourth proportional to 758,889,009.80, 1,138,333,514.70 and 758,889,009.80 is: 1,138,333,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,889,009.80 : 1,138,333,514.70 = 758,889,009.80 : x
  2. Step 2: Convert to fraction form
    758,889,009.80/1,138,333,514.70 = 758,889,009.80/x
  3. Step 3: Cross multiply
    758,889,009.80x = 1,138,333,514.70 × 758,889,009.80
  4. Step 4: Simplify right side
    758,889,009.80x = 863,868,793,792,836,736
  5. Step 5: Solve for x
    x = 863,868,793,792,836,736/758,889,009.80
  6. Step 6: Final answer
    x = 1,138,333,514.70

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1.5x scale

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.