Home / 401,218,819.04-601,828,228.68-320,949,970.40

Finding the Fourth Proportional to 401,218,819.04, 601,828,228.68 and 320,949,970.40

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Solution

The fourth proportional to 401,218,819.04, 601,828,228.68 and 320,949,970.40 is: 481,424,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,218,819.04 : 601,828,228.68 = 320,949,970.40 : x
  2. Step 2: Convert to fraction form
    401,218,819.04/601,828,228.68 = 320,949,970.40/x
  3. Step 3: Cross multiply
    401,218,819.04x = 601,828,228.68 × 320,949,970.40
  4. Step 4: Simplify right side
    401,218,819.04x = 193,156,752,180,730,400
  5. Step 5: Solve for x
    x = 193,156,752,180,730,400/401,218,819.04
  6. Step 6: Final answer
    x = 481,424,955.70

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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.