Home / 518,126,850.37-777,539,972.45-202,953,785.74

Finding the Fourth Proportional to 518,126,850.37, 777,539,972.45 and 202,953,785.74

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Solution

The fourth proportional to 518,126,850.37, 777,539,972.45 and 202,953,785.74 is: 304,567,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,126,850.37 : 777,539,972.45 = 202,953,785.74 : x
  2. Step 2: Convert to fraction form
    518,126,850.37/777,539,972.45 = 202,953,785.74/x
  3. Step 3: Cross multiply
    518,126,850.37x = 777,539,972.45 × 202,953,785.74
  4. Step 4: Simplify right side
    518,126,850.37x = 157,804,680,975,836,128
  5. Step 5: Solve for x
    x = 157,804,680,975,836,128/518,126,850.37
  6. Step 6: Final answer
    x = 304,567,657.25

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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.