Home / 320,616,569.63-442,451,723.69-173,938,853.63

Finding the Fourth Proportional to 320,616,569.63, 442,451,723.69 and 173,938,853.63

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Solution

The fourth proportional to 320,616,569.63, 442,451,723.69 and 173,938,853.63 is: 240,036,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,616,569.63 : 442,451,723.69 = 173,938,853.63 : x
  2. Step 2: Convert to fraction form
    320,616,569.63/442,451,723.69 = 173,938,853.63/x
  3. Step 3: Cross multiply
    320,616,569.63x = 442,451,723.69 × 173,938,853.63
  4. Step 4: Simplify right side
    320,616,569.63x = 76,959,545,605,256,112
  5. Step 5: Solve for x
    x = 76,959,545,605,256,112/320,616,569.63
  6. Step 6: Final answer
    x = 240,036,083.27

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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.