Home / 28,739,551,261.65-39,660,158,658.83-16,052,472,078.45

Finding the Fourth Proportional to 28,739,551,261.65, 39,660,158,658.83 and 16,052,472,078.45

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Solution

The fourth proportional to 28,739,551,261.65, 39,660,158,658.83 and 16,052,472,078.45 is: 22,152,175,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,551,261.65 : 39,660,158,658.83 = 16,052,472,078.45 : x
  2. Step 2: Convert to fraction form
    28,739,551,261.65/39,660,158,658.83 = 16,052,472,078.45/x
  3. Step 3: Cross multiply
    28,739,551,261.65x = 39,660,158,658.83 × 16,052,472,078.45
  4. Step 4: Simplify right side
    28,739,551,261.65x = 636,643,589,497,685,278,720
  5. Step 5: Solve for x
    x = 636,643,589,497,685,278,720/28,739,551,261.65
  6. Step 6: Final answer
    x = 22,152,175,714.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.