Home / 8,860,976,893.64-12,231,913,266.42-5,521,125,300.32

Finding the Fourth Proportional to 8,860,976,893.64, 12,231,913,266.42 and 5,521,125,300.32

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Solution

The fourth proportional to 8,860,976,893.64, 12,231,913,266.42 and 5,521,125,300.32 is: 7,621,498,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860,976,893.64 : 12,231,913,266.42 = 5,521,125,300.32 : x
  2. Step 2: Convert to fraction form
    8,860,976,893.64/12,231,913,266.42 = 5,521,125,300.32/x
  3. Step 3: Cross multiply
    8,860,976,893.64x = 12,231,913,266.42 × 5,521,125,300.32
  4. Step 4: Simplify right side
    8,860,976,893.64x = 67,533,925,806,551,310,336
  5. Step 5: Solve for x
    x = 67,533,925,806,551,310,336/8,860,976,893.64
  6. Step 6: Final answer
    x = 7,621,498,917.92

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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.