Home / 518,793,314.70-715,933,935.45-283,844,922.06

Finding the Fourth Proportional to 518,793,314.70, 715,933,935.45 and 283,844,922.06

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Solution

The fourth proportional to 518,793,314.70, 715,933,935.45 and 283,844,922.06 is: 391,705,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,793,314.70 : 715,933,935.45 = 283,844,922.06 : x
  2. Step 2: Convert to fraction form
    518,793,314.70/715,933,935.45 = 283,844,922.06/x
  3. Step 3: Cross multiply
    518,793,314.70x = 715,933,935.45 × 283,844,922.06
  4. Step 4: Simplify right side
    518,793,314.70x = 203,214,212,107,914,336
  5. Step 5: Solve for x
    x = 203,214,212,107,914,336/518,793,314.70
  6. Step 6: Final answer
    x = 391,705,533.49

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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.