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Finding the Fourth Proportional to 1,229,009,417.70, 1,843,514,126.55 and 1,229,009,417.70

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Solution

The fourth proportional to 1,229,009,417.70, 1,843,514,126.55 and 1,229,009,417.70 is: 1,843,514,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,009,417.70 : 1,843,514,126.55 = 1,229,009,417.70 : x
  2. Step 2: Convert to fraction form
    1,229,009,417.70/1,843,514,126.55 = 1,229,009,417.70/x
  3. Step 3: Cross multiply
    1,229,009,417.70x = 1,843,514,126.55 × 1,229,009,417.70
  4. Step 4: Simplify right side
    1,229,009,417.70x = 2,265,696,223,192,939,520
  5. Step 5: Solve for x
    x = 2,265,696,223,192,939,520/1,229,009,417.70
  6. Step 6: Final answer
    x = 1,843,514,126.55

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Half scale
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Double scale
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Similar ratio
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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.