Home / 320,616,310.40-442,451,365.92-173,938,594.40

Finding the Fourth Proportional to 320,616,310.40, 442,451,365.92 and 173,938,594.40

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Solution

The fourth proportional to 320,616,310.40, 442,451,365.92 and 173,938,594.40 is: 240,035,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,616,310.40 : 442,451,365.92 = 173,938,594.40 : x
  2. Step 2: Convert to fraction form
    320,616,310.40/442,451,365.92 = 173,938,594.40/x
  3. Step 3: Cross multiply
    320,616,310.40x = 442,451,365.92 × 173,938,594.40
  4. Step 4: Simplify right side
    320,616,310.40x = 76,959,368,678,484,864
  5. Step 5: Solve for x
    x = 76,959,368,678,484,864/320,616,310.40
  6. Step 6: Final answer
    x = 240,035,725.51

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1.5x scale

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.