Home / 1,494,679,972.40-2,242,019,958.60-511,779,842.90

Finding the Fourth Proportional to 1,494,679,972.40, 2,242,019,958.60 and 511,779,842.90

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Solution

The fourth proportional to 1,494,679,972.40, 2,242,019,958.60 and 511,779,842.90 is: 767,669,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,679,972.40 : 2,242,019,958.60 = 511,779,842.90 : x
  2. Step 2: Convert to fraction form
    1,494,679,972.40/2,242,019,958.60 = 511,779,842.90/x
  3. Step 3: Cross multiply
    1,494,679,972.40x = 2,242,019,958.60 × 511,779,842.90
  4. Step 4: Simplify right side
    1,494,679,972.40x = 1,147,420,622,190,972,416
  5. Step 5: Solve for x
    x = 1,147,420,622,190,972,416/1,494,679,972.40
  6. Step 6: Final answer
    x = 767,669,764.35

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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.