Home / 1,640,503,529.89-2,263,908,986.98-935,691,196.76

Finding the Fourth Proportional to 1,640,503,529.89, 2,263,908,986.98 and 935,691,196.76

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Solution

The fourth proportional to 1,640,503,529.89, 2,263,908,986.98 and 935,691,196.76 is: 1,291,261,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,503,529.89 : 2,263,908,986.98 = 935,691,196.76 : x
  2. Step 2: Convert to fraction form
    1,640,503,529.89/2,263,908,986.98 = 935,691,196.76/x
  3. Step 3: Cross multiply
    1,640,503,529.89x = 2,263,908,986.98 × 935,691,196.76
  4. Step 4: Simplify right side
    1,640,503,529.89x = 2,118,319,709,383,035,392
  5. Step 5: Solve for x
    x = 2,118,319,709,383,035,392/1,640,503,529.89
  6. Step 6: Final answer
    x = 1,291,261,902.69

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Double scale
Find fourth proportional to 1,640,503,530.89, 2,263,908,988.36 and 935,691,197.76
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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.