Home / 13,455,185,702.72-18,567,594,236.32-7,739,035,427.84

Finding the Fourth Proportional to 13,455,185,702.72, 18,567,594,236.32 and 7,739,035,427.84

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Solution

The fourth proportional to 13,455,185,702.72, 18,567,594,236.32 and 7,739,035,427.84 is: 10,679,545,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,185,702.72 : 18,567,594,236.32 = 7,739,035,427.84 : x
  2. Step 2: Convert to fraction form
    13,455,185,702.72/18,567,594,236.32 = 7,739,035,427.84/x
  3. Step 3: Cross multiply
    13,455,185,702.72x = 18,567,594,236.32 × 7,739,035,427.84
  4. Step 4: Simplify right side
    13,455,185,702.72x = 143,695,269,604,638,277,632
  5. Step 5: Solve for x
    x = 143,695,269,604,638,277,632/13,455,185,702.72
  6. Step 6: Final answer
    x = 10,679,545,624.97

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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.