Home / 1,230,761,848.80-1,846,142,773.20-369,118,840.80

Finding the Fourth Proportional to 1,230,761,848.80, 1,846,142,773.20 and 369,118,840.80

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Solution

The fourth proportional to 1,230,761,848.80, 1,846,142,773.20 and 369,118,840.80 is: 553,678,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,761,848.80 : 1,846,142,773.20 = 369,118,840.80 : x
  2. Step 2: Convert to fraction form
    1,230,761,848.80/1,846,142,773.20 = 369,118,840.80/x
  3. Step 3: Cross multiply
    1,230,761,848.80x = 1,846,142,773.20 × 369,118,840.80
  4. Step 4: Simplify right side
    1,230,761,848.80x = 681,446,080,394,881,408
  5. Step 5: Solve for x
    x = 681,446,080,394,881,408/1,230,761,848.80
  6. Step 6: Final answer
    x = 553,678,261.20

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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.