Home / 257,380,248.12-350,433,032.10-256,563,033.04

Finding the Fourth Proportional to 257,380,248.12, 350,433,032.10 and 256,563,033.04

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Solution

The fourth proportional to 257,380,248.12, 350,433,032.10 and 256,563,033.04 is: 349,320,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,380,248.12 : 350,433,032.10 = 256,563,033.04 : x
  2. Step 2: Convert to fraction form
    257,380,248.12/350,433,032.10 = 256,563,033.04/x
  3. Step 3: Cross multiply
    257,380,248.12x = 350,433,032.10 × 256,563,033.04
  4. Step 4: Simplify right side
    257,380,248.12x = 89,908,161,592,979,680
  5. Step 5: Solve for x
    x = 89,908,161,592,979,680/257,380,248.12
  6. Step 6: Final answer
    x = 349,320,362.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.