Home / 256,220,366.04-384,169,050-217,372,422.60

Finding the Fourth Proportional to 256,220,366.04, 384,169,050 and 217,372,422.60

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Solution

The fourth proportional to 256,220,366.04, 384,169,050 and 217,372,422.60 is: 325,921,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,220,366.04 : 384,169,050 = 217,372,422.60 : x
  2. Step 2: Convert to fraction form
    256,220,366.04/384,169,050 = 217,372,422.60/x
  3. Step 3: Cross multiply
    256,220,366.04x = 384,169,050 × 217,372,422.60
  4. Step 4: Simplify right side
    256,220,366.04x = 83,507,757,086,440,528
  5. Step 5: Solve for x
    x = 83,507,757,086,440,528/256,220,366.04
  6. Step 6: Final answer
    x = 325,921,621.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.