Home / 1,230,761,843.80-1,846,142,765.70-369,118,835.80

Finding the Fourth Proportional to 1,230,761,843.80, 1,846,142,765.70 and 369,118,835.80

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Solution

The fourth proportional to 1,230,761,843.80, 1,846,142,765.70 and 369,118,835.80 is: 553,678,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,761,843.80 : 1,846,142,765.70 = 369,118,835.80 : x
  2. Step 2: Convert to fraction form
    1,230,761,843.80/1,846,142,765.70 = 369,118,835.80/x
  3. Step 3: Cross multiply
    1,230,761,843.80x = 1,846,142,765.70 × 369,118,835.80
  4. Step 4: Simplify right side
    1,230,761,843.80x = 681,446,068,395,776,256
  5. Step 5: Solve for x
    x = 681,446,068,395,776,256/1,230,761,843.80
  6. Step 6: Final answer
    x = 553,678,253.70

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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.