Home / 402,227,004.30-603,340,506.45-218,560,994.70

Finding the Fourth Proportional to 402,227,004.30, 603,340,506.45 and 218,560,994.70

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Solution

The fourth proportional to 402,227,004.30, 603,340,506.45 and 218,560,994.70 is: 327,841,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,227,004.30 : 603,340,506.45 = 218,560,994.70 : x
  2. Step 2: Convert to fraction form
    402,227,004.30/603,340,506.45 = 218,560,994.70/x
  3. Step 3: Cross multiply
    402,227,004.30x = 603,340,506.45 × 218,560,994.70
  4. Step 4: Simplify right side
    402,227,004.30x = 131,866,701,232,513,776
  5. Step 5: Solve for x
    x = 131,866,701,232,513,776/402,227,004.30
  6. Step 6: Final answer
    x = 327,841,492.05

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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.