Home / 513,439,417,610.76-770,308,185,539.40-206,971,038,212.04

Finding the Fourth Proportional to 513,439,417,610.76, 770,308,185,539.40 and 206,971,038,212.04

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Solution

The fourth proportional to 513,439,417,610.76, 770,308,185,539.40 and 206,971,038,212.04 is: 310,516,644,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,439,417,610.76 : 770,308,185,539.40 = 206,971,038,212.04 : x
  2. Step 2: Convert to fraction form
    513,439,417,610.76/770,308,185,539.40 = 206,971,038,212.04/x
  3. Step 3: Cross multiply
    513,439,417,610.76x = 770,308,185,539.40 × 206,971,038,212.04
  4. Step 4: Simplify right side
    513,439,417,610.76x = 159,431,484,904,322,375,876,608
  5. Step 5: Solve for x
    x = 159,431,484,904,322,375,876,608/513,439,417,610.76
  6. Step 6: Final answer
    x = 310,516,644,098.39

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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.