Home / 8,968,085,871.60-12,376,334,486.94-5,157,611,797.62

Finding the Fourth Proportional to 8,968,085,871.60, 12,376,334,486.94 and 5,157,611,797.62

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Solution

The fourth proportional to 8,968,085,871.60, 12,376,334,486.94 and 5,157,611,797.62 is: 7,117,720,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,085,871.60 : 12,376,334,486.94 = 5,157,611,797.62 : x
  2. Step 2: Convert to fraction form
    8,968,085,871.60/12,376,334,486.94 = 5,157,611,797.62/x
  3. Step 3: Cross multiply
    8,968,085,871.60x = 12,376,334,486.94 × 5,157,611,797.62
  4. Step 4: Simplify right side
    8,968,085,871.60x = 63,832,328,761,133,015,040
  5. Step 5: Solve for x
    x = 63,832,328,761,133,015,040/8,968,085,871.60
  6. Step 6: Final answer
    x = 7,117,720,511.94

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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.