Home / 449,213,088.86-673,818,729.69-421,877,059.66

Finding the Fourth Proportional to 449,213,088.86, 673,818,729.69 and 421,877,059.66

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Solution

The fourth proportional to 449,213,088.86, 673,818,729.69 and 421,877,059.66 is: 632,814,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,213,088.86 : 673,818,729.69 = 421,877,059.66 : x
  2. Step 2: Convert to fraction form
    449,213,088.86/673,818,729.69 = 421,877,059.66/x
  3. Step 3: Cross multiply
    449,213,088.86x = 673,818,729.69 × 421,877,059.66
  4. Step 4: Simplify right side
    449,213,088.86x = 284,268,664,426,603,392
  5. Step 5: Solve for x
    x = 284,268,664,426,603,392/449,213,088.86
  6. Step 6: Final answer
    x = 632,814,740.88

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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.