Home / 1,415,622,019.68-2,121,959,806.02-792,924,333.12

Finding the Fourth Proportional to 1,415,622,019.68, 2,121,959,806.02 and 792,924,333.12

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Solution

The fourth proportional to 1,415,622,019.68, 2,121,959,806.02 and 792,924,333.12 is: 1,188,561,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,622,019.68 : 2,121,959,806.02 = 792,924,333.12 : x
  2. Step 2: Convert to fraction form
    1,415,622,019.68/2,121,959,806.02 = 792,924,333.12/x
  3. Step 3: Cross multiply
    1,415,622,019.68x = 2,121,959,806.02 × 792,924,333.12
  4. Step 4: Simplify right side
    1,415,622,019.68x = 1,682,553,564,095,853,056
  5. Step 5: Solve for x
    x = 1,682,553,564,095,853,056/1,415,622,019.68
  6. Step 6: Final answer
    x = 1,188,561,311.36

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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.