Home / 338,979,519.15-508,625,657.43-154,803,455.60

Finding the Fourth Proportional to 338,979,519.15, 508,625,657.43 and 154,803,455.60

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Solution

The fourth proportional to 338,979,519.15, 508,625,657.43 and 154,803,455.60 is: 232,276,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,979,519.15 : 508,625,657.43 = 154,803,455.60 : x
  2. Step 2: Convert to fraction form
    338,979,519.15/508,625,657.43 = 154,803,455.60/x
  3. Step 3: Cross multiply
    338,979,519.15x = 508,625,657.43 × 154,803,455.60
  4. Step 4: Simplify right side
    338,979,519.15x = 78,737,009,374,442,688
  5. Step 5: Solve for x
    x = 78,737,009,374,442,688/338,979,519.15
  6. Step 6: Final answer
    x = 232,276,597.63

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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.