Home / 828,393,589.51-1,143,207,295.79-452,074,416.57

Finding the Fourth Proportional to 828,393,589.51, 1,143,207,295.79 and 452,074,416.57

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Solution

The fourth proportional to 828,393,589.51, 1,143,207,295.79 and 452,074,416.57 is: 623,875,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,393,589.51 : 1,143,207,295.79 = 452,074,416.57 : x
  2. Step 2: Convert to fraction form
    828,393,589.51/1,143,207,295.79 = 452,074,416.57/x
  3. Step 3: Cross multiply
    828,393,589.51x = 1,143,207,295.79 × 452,074,416.57
  4. Step 4: Simplify right side
    828,393,589.51x = 516,814,771,260,571,328
  5. Step 5: Solve for x
    x = 516,814,771,260,571,328/828,393,589.51
  6. Step 6: Final answer
    x = 623,875,869.88

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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.