Home / 338,980,877.20-508,627,694.04-154,804,813.84

Finding the Fourth Proportional to 338,980,877.20, 508,627,694.04 and 154,804,813.84

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Solution

The fourth proportional to 338,980,877.20, 508,627,694.04 and 154,804,813.84 is: 232,278,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,980,877.20 : 508,627,694.04 = 154,804,813.84 : x
  2. Step 2: Convert to fraction form
    338,980,877.20/508,627,694.04 = 154,804,813.84/x
  3. Step 3: Cross multiply
    338,980,877.20x = 508,627,694.04 × 154,804,813.84
  4. Step 4: Simplify right side
    338,980,877.20x = 78,738,015,489,730,688
  5. Step 5: Solve for x
    x = 78,738,015,489,730,688/338,980,877.20
  6. Step 6: Final answer
    x = 232,278,635.13

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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.