Home / 401,218,817.04-601,828,225.68-320,949,968.40

Finding the Fourth Proportional to 401,218,817.04, 601,828,225.68 and 320,949,968.40

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Solution

The fourth proportional to 401,218,817.04, 601,828,225.68 and 320,949,968.40 is: 481,424,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,218,817.04 : 601,828,225.68 = 320,949,968.40 : x
  2. Step 2: Convert to fraction form
    401,218,817.04/601,828,225.68 = 320,949,968.40/x
  3. Step 3: Cross multiply
    401,218,817.04x = 601,828,225.68 × 320,949,968.40
  4. Step 4: Simplify right side
    401,218,817.04x = 193,156,750,014,224,032
  5. Step 5: Solve for x
    x = 193,156,750,014,224,032/401,218,817.04
  6. Step 6: Final answer
    x = 481,424,952.70

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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.