Home / 449,213,090.36-673,818,731.94-421,877,061.16

Finding the Fourth Proportional to 449,213,090.36, 673,818,731.94 and 421,877,061.16

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Solution

The fourth proportional to 449,213,090.36, 673,818,731.94 and 421,877,061.16 is: 632,814,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,213,090.36 : 673,818,731.94 = 421,877,061.16 : x
  2. Step 2: Convert to fraction form
    449,213,090.36/673,818,731.94 = 421,877,061.16/x
  3. Step 3: Cross multiply
    449,213,090.36x = 673,818,731.94 × 421,877,061.16
  4. Step 4: Simplify right side
    449,213,090.36x = 284,268,666,385,405,056
  5. Step 5: Solve for x
    x = 284,268,666,385,405,056/449,213,090.36
  6. Step 6: Final answer
    x = 632,814,743.13

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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.