Home / 362,314,710,421.12-499,995,815,859.86-199,730,787,590.49

Finding the Fourth Proportional to 362,314,710,421.12, 499,995,815,859.86 and 199,730,787,590.49

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Solution

The fourth proportional to 362,314,710,421.12, 499,995,815,859.86 and 199,730,787,590.49 is: 275,629,322,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,314,710,421.12 : 499,995,815,859.86 = 199,730,787,590.49 : x
  2. Step 2: Convert to fraction form
    362,314,710,421.12/499,995,815,859.86 = 199,730,787,590.49/x
  3. Step 3: Cross multiply
    362,314,710,421.12x = 499,995,815,859.86 × 199,730,787,590.49
  4. Step 4: Simplify right side
    362,314,710,421.12x = 99,864,558,093,639,446,691,840
  5. Step 5: Solve for x
    x = 99,864,558,093,639,446,691,840/362,314,710,421.12
  6. Step 6: Final answer
    x = 275,629,322,302.61

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Double scale
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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.