Home / 11,865,057,883.08-16,387,369,270.43-7,814,068,451.88

Finding the Fourth Proportional to 11,865,057,883.08, 16,387,369,270.43 and 7,814,068,451.88

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Solution

The fourth proportional to 11,865,057,883.08, 16,387,369,270.43 and 7,814,068,451.88 is: 10,792,364,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865,057,883.08 : 16,387,369,270.43 = 7,814,068,451.88 : x
  2. Step 2: Convert to fraction form
    11,865,057,883.08/16,387,369,270.43 = 7,814,068,451.88/x
  3. Step 3: Cross multiply
    11,865,057,883.08x = 16,387,369,270.43 × 7,814,068,451.88
  4. Step 4: Simplify right side
    11,865,057,883.08x = 128,052,025,225,374,842,880
  5. Step 5: Solve for x
    x = 128,052,025,225,374,842,880/11,865,057,883.08
  6. Step 6: Final answer
    x = 10,792,364,140.76

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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.