Home / 459,609,002.88-634,456,130.82-308,989,012.83

Finding the Fourth Proportional to 459,609,002.88, 634,456,130.82 and 308,989,012.83

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Solution

The fourth proportional to 459,609,002.88, 634,456,130.82 and 308,989,012.83 is: 426,536,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,609,002.88 : 634,456,130.82 = 308,989,012.83 : x
  2. Step 2: Convert to fraction form
    459,609,002.88/634,456,130.82 = 308,989,012.83/x
  3. Step 3: Cross multiply
    459,609,002.88x = 634,456,130.82 × 308,989,012.83
  4. Step 4: Simplify right side
    459,609,002.88x = 196,039,973,546,013,152
  5. Step 5: Solve for x
    x = 196,039,973,546,013,152/459,609,002.88
  6. Step 6: Final answer
    x = 426,536,408.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.