Home / 320,163,354-441,826,960.68-173,485,898.64

Finding the Fourth Proportional to 320,163,354, 441,826,960.68 and 173,485,898.64

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Solution

The fourth proportional to 320,163,354, 441,826,960.68 and 173,485,898.64 is: 239,411,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,163,354 : 441,826,960.68 = 173,485,898.64 : x
  2. Step 2: Convert to fraction form
    320,163,354/441,826,960.68 = 173,485,898.64/x
  3. Step 3: Cross multiply
    320,163,354x = 441,826,960.68 × 173,485,898.64
  4. Step 4: Simplify right side
    320,163,354x = 76,650,747,316,949,744
  5. Step 5: Solve for x
    x = 76,650,747,316,949,744/320,163,354
  6. Step 6: Final answer
    x = 239,411,370.35

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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.