Home / 1,515,025,029.60-2,092,178,481.60-1,432,487,513.52

Finding the Fourth Proportional to 1,515,025,029.60, 2,092,178,481.60 and 1,432,487,513.52

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Solution

The fourth proportional to 1,515,025,029.60, 2,092,178,481.60 and 1,432,487,513.52 is: 1,978,198,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,025,029.60 : 2,092,178,481.60 = 1,432,487,513.52 : x
  2. Step 2: Convert to fraction form
    1,515,025,029.60/2,092,178,481.60 = 1,432,487,513.52/x
  3. Step 3: Cross multiply
    1,515,025,029.60x = 2,092,178,481.60 × 1,432,487,513.52
  4. Step 4: Simplify right side
    1,515,025,029.60x = 2,997,019,550,947,232,768
  5. Step 5: Solve for x
    x = 2,997,019,550,947,232,768/1,515,025,029.60
  6. Step 6: Final answer
    x = 1,978,198,044.52

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1.5x scale

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.