Home / 18,459,880,099.76-25,465,346,387.16-12,115,367,380.64

Finding the Fourth Proportional to 18,459,880,099.76, 25,465,346,387.16 and 12,115,367,380.64

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Solution

The fourth proportional to 18,459,880,099.76, 25,465,346,387.16 and 12,115,367,380.64 is: 16,713,111,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459,880,099.76 : 25,465,346,387.16 = 12,115,367,380.64 : x
  2. Step 2: Convert to fraction form
    18,459,880,099.76/25,465,346,387.16 = 12,115,367,380.64/x
  3. Step 3: Cross multiply
    18,459,880,099.76x = 25,465,346,387.16 × 12,115,367,380.64
  4. Step 4: Simplify right side
    18,459,880,099.76x = 308,522,026,955,696,898,048
  5. Step 5: Solve for x
    x = 308,522,026,955,696,898,048/18,459,880,099.76
  6. Step 6: Final answer
    x = 16,713,111,097.60

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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.