Home / 52,362,940,442.38-78,544,411,702.86-12,568,715,291.64

Finding the Fourth Proportional to 52,362,940,442.38, 78,544,411,702.86 and 12,568,715,291.64

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Solution

The fourth proportional to 52,362,940,442.38, 78,544,411,702.86 and 12,568,715,291.64 is: 18,853,073,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,362,940,442.38 : 78,544,411,702.86 = 12,568,715,291.64 : x
  2. Step 2: Convert to fraction form
    52,362,940,442.38/78,544,411,702.86 = 12,568,715,291.64/x
  3. Step 3: Cross multiply
    52,362,940,442.38x = 78,544,411,702.86 × 12,568,715,291.64
  4. Step 4: Simplify right side
    52,362,940,442.38x = 987,202,348,442,657,751,040
  5. Step 5: Solve for x
    x = 987,202,348,442,657,751,040/52,362,940,442.38
  6. Step 6: Final answer
    x = 18,853,073,186.92

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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.