Home / 312,714,560.01-431,366,798.84-195,035,585.43

Finding the Fourth Proportional to 312,714,560.01, 431,366,798.84 and 195,035,585.43

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Solution

The fourth proportional to 312,714,560.01, 431,366,798.84 and 195,035,585.43 is: 269,037,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,714,560.01 : 431,366,798.84 = 195,035,585.43 : x
  2. Step 2: Convert to fraction form
    312,714,560.01/431,366,798.84 = 195,035,585.43/x
  3. Step 3: Cross multiply
    312,714,560.01x = 431,366,798.84 × 195,035,585.43
  4. Step 4: Simplify right side
    312,714,560.01x = 84,131,876,145,849,264
  5. Step 5: Solve for x
    x = 84,131,876,145,849,264/312,714,560.01
  6. Step 6: Final answer
    x = 269,037,284.81

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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.