Home / 257,714,625,979.43-355,657,206,681-143,529,228,662.65

Finding the Fourth Proportional to 257,714,625,979.43, 355,657,206,681 and 143,529,228,662.65

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Solution

The fourth proportional to 257,714,625,979.43, 355,657,206,681 and 143,529,228,662.65 is: 198,076,474,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,714,625,979.43 : 355,657,206,681 = 143,529,228,662.65 : x
  2. Step 2: Convert to fraction form
    257,714,625,979.43/355,657,206,681 = 143,529,228,662.65/x
  3. Step 3: Cross multiply
    257,714,625,979.43x = 355,657,206,681 × 143,529,228,662.65
  4. Step 4: Simplify right side
    257,714,625,979.43x = 51,047,204,543,236,617,011,200
  5. Step 5: Solve for x
    x = 51,047,204,543,236,617,011,200/257,714,625,979.43
  6. Step 6: Final answer
    x = 198,076,474,508.32

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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.