Home / 1,780,527,906.52-2,457,422,742.06-987,829,276.60

Finding the Fourth Proportional to 1,780,527,906.52, 2,457,422,742.06 and 987,829,276.60

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Solution

The fourth proportional to 1,780,527,906.52, 2,457,422,742.06 and 987,829,276.60 is: 1,363,367,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,527,906.52 : 2,457,422,742.06 = 987,829,276.60 : x
  2. Step 2: Convert to fraction form
    1,780,527,906.52/2,457,422,742.06 = 987,829,276.60/x
  3. Step 3: Cross multiply
    1,780,527,906.52x = 2,457,422,742.06 × 987,829,276.60
  4. Step 4: Simplify right side
    1,780,527,906.52x = 2,427,514,129,589,518,336
  5. Step 5: Solve for x
    x = 2,427,514,129,589,518,336/1,780,527,906.52
  6. Step 6: Final answer
    x = 1,363,367,639.84

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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.