Home / 619,045,576.96-853,799,327.76-383,964,422.08

Finding the Fourth Proportional to 619,045,576.96, 853,799,327.76 and 383,964,422.08

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Solution

The fourth proportional to 619,045,576.96, 853,799,327.76 and 383,964,422.08 is: 529,570,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,045,576.96 : 853,799,327.76 = 383,964,422.08 : x
  2. Step 2: Convert to fraction form
    619,045,576.96/853,799,327.76 = 383,964,422.08/x
  3. Step 3: Cross multiply
    619,045,576.96x = 853,799,327.76 × 383,964,422.08
  4. Step 4: Simplify right side
    619,045,576.96x = 327,828,565,455,660,864
  5. Step 5: Solve for x
    x = 327,828,565,455,660,864/619,045,576.96
  6. Step 6: Final answer
    x = 529,570,968.05

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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.