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Finding the Fourth Proportional to 1,063,009,985.70, 1,594,514,978.55 and 416,777,729.70

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Solution

The fourth proportional to 1,063,009,985.70, 1,594,514,978.55 and 416,777,729.70 is: 625,166,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,009,985.70 : 1,594,514,978.55 = 416,777,729.70 : x
  2. Step 2: Convert to fraction form
    1,063,009,985.70/1,594,514,978.55 = 416,777,729.70/x
  3. Step 3: Cross multiply
    1,063,009,985.70x = 1,594,514,978.55 × 416,777,729.70
  4. Step 4: Simplify right side
    1,063,009,985.70x = 664,558,332,732,713,216
  5. Step 5: Solve for x
    x = 664,558,332,732,713,216/1,063,009,985.70
  6. Step 6: Final answer
    x = 625,166,594.55

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Double scale
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Similar ratio
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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.