Home / 544,338,992.40-816,508,488.60-199,303,875.60

Finding the Fourth Proportional to 544,338,992.40, 816,508,488.60 and 199,303,875.60

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Solution

The fourth proportional to 544,338,992.40, 816,508,488.60 and 199,303,875.60 is: 298,955,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,338,992.40 : 816,508,488.60 = 199,303,875.60 : x
  2. Step 2: Convert to fraction form
    544,338,992.40/816,508,488.60 = 199,303,875.60/x
  3. Step 3: Cross multiply
    544,338,992.40x = 816,508,488.60 × 199,303,875.60
  4. Step 4: Simplify right side
    544,338,992.40x = 162,733,306,238,278,432
  5. Step 5: Solve for x
    x = 162,733,306,238,278,432/544,338,992.40
  6. Step 6: Final answer
    x = 298,955,813.40

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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.