Home / 8,860,982,735.64-12,231,921,328.44-5,521,131,142.32

Finding the Fourth Proportional to 8,860,982,735.64, 12,231,921,328.44 and 5,521,131,142.32

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Solution

The fourth proportional to 8,860,982,735.64, 12,231,921,328.44 and 5,521,131,142.32 is: 7,621,506,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860,982,735.64 : 12,231,921,328.44 = 5,521,131,142.32 : x
  2. Step 2: Convert to fraction form
    8,860,982,735.64/12,231,921,328.44 = 5,521,131,142.32/x
  3. Step 3: Cross multiply
    8,860,982,735.64x = 12,231,921,328.44 × 5,521,131,142.32
  4. Step 4: Simplify right side
    8,860,982,735.64x = 67,534,041,776,858,308,608
  5. Step 5: Solve for x
    x = 67,534,041,776,858,308,608/8,860,982,735.64
  6. Step 6: Final answer
    x = 7,621,506,980.85

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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.