Home / 651,675,087.17-899,342,365.64-369,422,998.47

Finding the Fourth Proportional to 651,675,087.17, 899,342,365.64 and 369,422,998.47

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Solution

The fourth proportional to 651,675,087.17, 899,342,365.64 and 369,422,998.47 is: 509,821,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,675,087.17 : 899,342,365.64 = 369,422,998.47 : x
  2. Step 2: Convert to fraction form
    651,675,087.17/899,342,365.64 = 369,422,998.47/x
  3. Step 3: Cross multiply
    651,675,087.17x = 899,342,365.64 × 369,422,998.47
  4. Step 4: Simplify right side
    651,675,087.17x = 332,237,753,363,984,832
  5. Step 5: Solve for x
    x = 332,237,753,363,984,832/651,675,087.17
  6. Step 6: Final answer
    x = 509,821,166.88

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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.