Home / 566,659,786,855.95-781,990,448,106.25-309,743,710,093.20

Finding the Fourth Proportional to 566,659,786,855.95, 781,990,448,106.25 and 309,743,710,093.20

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Solution

The fourth proportional to 566,659,786,855.95, 781,990,448,106.25 and 309,743,710,093.20 is: 427,446,288,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,659,786,855.95 : 781,990,448,106.25 = 309,743,710,093.20 : x
  2. Step 2: Convert to fraction form
    566,659,786,855.95/781,990,448,106.25 = 309,743,710,093.20/x
  3. Step 3: Cross multiply
    566,659,786,855.95x = 781,990,448,106.25 × 309,743,710,093.20
  4. Step 4: Simplify right side
    566,659,786,855.95x = 242,216,622,653,873,875,582,976
  5. Step 5: Solve for x
    x = 242,216,622,653,873,875,582,976/566,659,786,855.95
  6. Step 6: Final answer
    x = 427,446,288,358.99

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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.