Home / 651,255,557,464.72-976,847,983,959.72-197,939,117,984.56

Finding the Fourth Proportional to 651,255,557,464.72, 976,847,983,959.72 and 197,939,117,984.56

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Solution

The fourth proportional to 651,255,557,464.72, 976,847,983,959.72 and 197,939,117,984.56 is: 296,897,932,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,255,557,464.72 : 976,847,983,959.72 = 197,939,117,984.56 : x
  2. Step 2: Convert to fraction form
    651,255,557,464.72/976,847,983,959.72 = 197,939,117,984.56/x
  3. Step 3: Cross multiply
    651,255,557,464.72x = 976,847,983,959.72 × 197,939,117,984.56
  4. Step 4: Simplify right side
    651,255,557,464.72x = 193,356,428,349,982,598,234,112
  5. Step 5: Solve for x
    x = 193,356,428,349,982,598,234,112/651,255,557,464.72
  6. Step 6: Final answer
    x = 296,897,932,207.60

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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.