Home / 1,665,719,758.40-2,298,693,484.48-923,211,757.76

Finding the Fourth Proportional to 1,665,719,758.40, 2,298,693,484.48 and 923,211,757.76

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Solution

The fourth proportional to 1,665,719,758.40, 2,298,693,484.48 and 923,211,757.76 is: 1,274,032,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,719,758.40 : 2,298,693,484.48 = 923,211,757.76 : x
  2. Step 2: Convert to fraction form
    1,665,719,758.40/2,298,693,484.48 = 923,211,757.76/x
  3. Step 3: Cross multiply
    1,665,719,758.40x = 2,298,693,484.48 × 923,211,757.76
  4. Step 4: Simplify right side
    1,665,719,758.40x = 2,122,180,852,358,240,000
  5. Step 5: Solve for x
    x = 2,122,180,852,358,240,000/1,665,719,758.40
  6. Step 6: Final answer
    x = 1,274,032,346.47

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Double scale
Find fourth proportional to 1,665,719,759.40, 2,298,693,485.86 and 923,211,758.76
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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.