Home / 3,109,251,099.60-4,663,926,415.80-811,536,411.60

Finding the Fourth Proportional to 3,109,251,099.60, 4,663,926,415.80 and 811,536,411.60

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Solution

The fourth proportional to 3,109,251,099.60, 4,663,926,415.80 and 811,536,411.60 is: 1,217,317,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,251,099.60 : 4,663,926,415.80 = 811,536,411.60 : x
  2. Step 2: Convert to fraction form
    3,109,251,099.60/4,663,926,415.80 = 811,536,411.60/x
  3. Step 3: Cross multiply
    3,109,251,099.60x = 4,663,926,415.80 × 811,536,411.60
  4. Step 4: Simplify right side
    3,109,251,099.60x = 3,784,946,107,444,781,568
  5. Step 5: Solve for x
    x = 3,784,946,107,444,781,568/3,109,251,099.60
  6. Step 6: Final answer
    x = 1,217,317,606.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.