Home / 2,065,953,779.55-3,098,930,669.33-1,985,599,900.35

Finding the Fourth Proportional to 2,065,953,779.55, 3,098,930,669.33 and 1,985,599,900.35

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Solution

The fourth proportional to 2,065,953,779.55, 3,098,930,669.33 and 1,985,599,900.35 is: 2,978,399,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,953,779.55 : 3,098,930,669.33 = 1,985,599,900.35 : x
  2. Step 2: Convert to fraction form
    2,065,953,779.55/3,098,930,669.33 = 1,985,599,900.35/x
  3. Step 3: Cross multiply
    2,065,953,779.55x = 3,098,930,669.33 × 1,985,599,900.35
  4. Step 4: Simplify right side
    2,065,953,779.55x = 6,153,236,428,203,278,336
  5. Step 5: Solve for x
    x = 6,153,236,428,203,278,336/2,065,953,779.55
  6. Step 6: Final answer
    x = 2,978,399,850.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.