Home / 579,130,027,321.15-799,199,568,154.80-318,707,736,498.36

Finding the Fourth Proportional to 579,130,027,321.15, 799,199,568,154.80 and 318,707,736,498.36

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Solution

The fourth proportional to 579,130,027,321.15, 799,199,568,154.80 and 318,707,736,498.36 is: 439,816,748,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,130,027,321.15 : 799,199,568,154.80 = 318,707,736,498.36 : x
  2. Step 2: Convert to fraction form
    579,130,027,321.15/799,199,568,154.80 = 318,707,736,498.36/x
  3. Step 3: Cross multiply
    579,130,027,321.15x = 799,199,568,154.80 × 318,707,736,498.36
  4. Step 4: Simplify right side
    579,130,027,321.15x = 254,711,085,377,083,106,394,112
  5. Step 5: Solve for x
    x = 254,711,085,377,083,106,394,112/579,130,027,321.15
  6. Step 6: Final answer
    x = 439,816,748,158.07

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Double scale
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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.