Home / 1,640,503,533.88-2,263,908,992.50-935,691,200.76

Finding the Fourth Proportional to 1,640,503,533.88, 2,263,908,992.50 and 935,691,200.76

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Solution

The fourth proportional to 1,640,503,533.88, 2,263,908,992.50 and 935,691,200.76 is: 1,291,261,908.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,503,533.88 : 2,263,908,992.50 = 935,691,200.76 : x
  2. Step 2: Convert to fraction form
    1,640,503,533.88/2,263,908,992.50 = 935,691,200.76/x
  3. Step 3: Cross multiply
    1,640,503,533.88x = 2,263,908,992.50 × 935,691,200.76
  4. Step 4: Simplify right side
    1,640,503,533.88x = 2,118,319,723,603,686,912
  5. Step 5: Solve for x
    x = 2,118,319,723,603,686,912/1,640,503,533.88
  6. Step 6: Final answer
    x = 1,291,261,908.22

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Double scale
Find fourth proportional to 1,640,503,534.88, 2,263,908,993.88 and 935,691,201.76
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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.