Home / 766,619,273.52-1,057,932,506.41-427,528,117.28

Finding the Fourth Proportional to 766,619,273.52, 1,057,932,506.41 and 427,528,117.28

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Solution

The fourth proportional to 766,619,273.52, 1,057,932,506.41 and 427,528,117.28 is: 589,987,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,619,273.52 : 1,057,932,506.41 = 427,528,117.28 : x
  2. Step 2: Convert to fraction form
    766,619,273.52/1,057,932,506.41 = 427,528,117.28/x
  3. Step 3: Cross multiply
    766,619,273.52x = 1,057,932,506.41 × 427,528,117.28
  4. Step 4: Simplify right side
    766,619,273.52x = 452,295,892,676,354,880
  5. Step 5: Solve for x
    x = 452,295,892,676,354,880/766,619,273.52
  6. Step 6: Final answer
    x = 589,987,635.71

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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.