Home / 579,130,027,321.05-799,199,568,154.61-318,707,736,498.23

Finding the Fourth Proportional to 579,130,027,321.05, 799,199,568,154.61 and 318,707,736,498.23

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Solution

The fourth proportional to 579,130,027,321.05, 799,199,568,154.61 and 318,707,736,498.23 is: 439,816,748,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,130,027,321.05 : 799,199,568,154.61 = 318,707,736,498.23 : x
  2. Step 2: Convert to fraction form
    579,130,027,321.05/799,199,568,154.61 = 318,707,736,498.23/x
  3. Step 3: Cross multiply
    579,130,027,321.05x = 799,199,568,154.61 × 318,707,736,498.23
  4. Step 4: Simplify right side
    579,130,027,321.05x = 254,711,085,376,918,622,568,448
  5. Step 5: Solve for x
    x = 254,711,085,376,918,622,568,448/579,130,027,321.05
  6. Step 6: Final answer
    x = 439,816,748,157.86

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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.