Home / 654,954,925.11-903,917,054.71-372,765,978.86

Finding the Fourth Proportional to 654,954,925.11, 903,917,054.71 and 372,765,978.86

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Solution

The fourth proportional to 654,954,925.11, 903,917,054.71 and 372,765,978.86 is: 514,462,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,954,925.11 : 903,917,054.71 = 372,765,978.86 : x
  2. Step 2: Convert to fraction form
    654,954,925.11/903,917,054.71 = 372,765,978.86/x
  3. Step 3: Cross multiply
    654,954,925.11x = 903,917,054.71 × 372,765,978.86
  4. Step 4: Simplify right side
    654,954,925.11x = 336,949,525,703,167,680
  5. Step 5: Solve for x
    x = 336,949,525,703,167,680/654,954,925.11
  6. Step 6: Final answer
    x = 514,462,160.35

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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.