Home / 713,629,320.67-1,071,494,777.09-399,111,560.96

Finding the Fourth Proportional to 713,629,320.67, 1,071,494,777.09 and 399,111,560.96

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Solution

The fourth proportional to 713,629,320.67, 1,071,494,777.09 and 399,111,560.96 is: 599,255,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,629,320.67 : 1,071,494,777.09 = 399,111,560.96 : x
  2. Step 2: Convert to fraction form
    713,629,320.67/1,071,494,777.09 = 399,111,560.96/x
  3. Step 3: Cross multiply
    713,629,320.67x = 1,071,494,777.09 × 399,111,560.96
  4. Step 4: Simplify right side
    713,629,320.67x = 427,645,953,048,553,600
  5. Step 5: Solve for x
    x = 427,645,953,048,553,600/713,629,320.67
  6. Step 6: Final answer
    x = 599,255,020.31

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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.