Home / 889,146,160.90-1,227,023,144.16-487,196,037.16

Finding the Fourth Proportional to 889,146,160.90, 1,227,023,144.16 and 487,196,037.16

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Solution

The fourth proportional to 889,146,160.90, 1,227,023,144.16 and 487,196,037.16 is: 672,331,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,146,160.90 : 1,227,023,144.16 = 487,196,037.16 : x
  2. Step 2: Convert to fraction form
    889,146,160.90/1,227,023,144.16 = 487,196,037.16/x
  3. Step 3: Cross multiply
    889,146,160.90x = 1,227,023,144.16 × 487,196,037.16
  4. Step 4: Simplify right side
    889,146,160.90x = 597,800,813,338,355,456
  5. Step 5: Solve for x
    x = 597,800,813,338,355,456/889,146,160.90
  6. Step 6: Final answer
    x = 672,331,321.47

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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.