Home / 1,691,565,100,697.20-2,334,360,090,785.20-920,819,643,534.46

Finding the Fourth Proportional to 1,691,565,100,697.20, 2,334,360,090,785.20 and 920,819,643,534.46

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Solution

The fourth proportional to 1,691,565,100,697.20, 2,334,360,090,785.20 and 920,819,643,534.46 is: 1,270,731,245,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,565,100,697.20 : 2,334,360,090,785.20 = 920,819,643,534.46 : x
  2. Step 2: Convert to fraction form
    1,691,565,100,697.20/2,334,360,090,785.20 = 920,819,643,534.46/x
  3. Step 3: Cross multiply
    1,691,565,100,697.20x = 2,334,360,090,785.20 × 920,819,643,534.46
  4. Step 4: Simplify right side
    1,691,565,100,697.20x = 2,149,524,626,677,897,719,971,840
  5. Step 5: Solve for x
    x = 2,149,524,626,677,897,719,971,840/1,691,565,100,697.20
  6. Step 6: Final answer
    x = 1,270,731,245,159.85

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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.