Home / 449,213,097.88-673,818,743.18-421,877,068.68

Finding the Fourth Proportional to 449,213,097.88, 673,818,743.18 and 421,877,068.68

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Solution

The fourth proportional to 449,213,097.88, 673,818,743.18 and 421,877,068.68 is: 632,814,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,213,097.88 : 673,818,743.18 = 421,877,068.68 : x
  2. Step 2: Convert to fraction form
    449,213,097.88/673,818,743.18 = 421,877,068.68/x
  3. Step 3: Cross multiply
    449,213,097.88x = 673,818,743.18 × 421,877,068.68
  4. Step 4: Simplify right side
    449,213,097.88x = 284,268,676,194,420,128
  5. Step 5: Solve for x
    x = 284,268,676,194,420,128/449,213,097.88
  6. Step 6: Final answer
    x = 632,814,754.37

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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.