Home / 550,890,166,930.40-760,230,726,607.60-303,687,014,879.40

Finding the Fourth Proportional to 550,890,166,930.40, 760,230,726,607.60 and 303,687,014,879.40

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Solution

The fourth proportional to 550,890,166,930.40, 760,230,726,607.60 and 303,687,014,879.40 is: 419,089,346,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,890,166,930.40 : 760,230,726,607.60 = 303,687,014,879.40 : x
  2. Step 2: Convert to fraction form
    550,890,166,930.40/760,230,726,607.60 = 303,687,014,879.40/x
  3. Step 3: Cross multiply
    550,890,166,930.40x = 760,230,726,607.60 × 303,687,014,879.40
  4. Step 4: Simplify right side
    550,890,166,930.40x = 230,872,199,983,059,315,982,336
  5. Step 5: Solve for x
    x = 230,872,199,983,059,315,982,336/550,890,166,930.40
  6. Step 6: Final answer
    x = 419,089,346,374.61

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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.