Home / 505,505,497.60-758,258,246.40-413,672,492.80

Finding the Fourth Proportional to 505,505,497.60, 758,258,246.40 and 413,672,492.80

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Solution

The fourth proportional to 505,505,497.60, 758,258,246.40 and 413,672,492.80 is: 620,508,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,505,497.60 : 758,258,246.40 = 413,672,492.80 : x
  2. Step 2: Convert to fraction form
    505,505,497.60/758,258,246.40 = 413,672,492.80/x
  3. Step 3: Cross multiply
    505,505,497.60x = 758,258,246.40 × 413,672,492.80
  4. Step 4: Simplify right side
    505,505,497.60x = 313,670,578,974,444,608
  5. Step 5: Solve for x
    x = 313,670,578,974,444,608/505,505,497.60
  6. Step 6: Final answer
    x = 620,508,739.20

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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.