Home / 469,952,476.77-648,551,920.47-281,811,401.82

Finding the Fourth Proportional to 469,952,476.77, 648,551,920.47 and 281,811,401.82

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Solution

The fourth proportional to 469,952,476.77, 648,551,920.47 and 281,811,401.82 is: 388,910,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,952,476.77 : 648,551,920.47 = 281,811,401.82 : x
  2. Step 2: Convert to fraction form
    469,952,476.77/648,551,920.47 = 281,811,401.82/x
  3. Step 3: Cross multiply
    469,952,476.77x = 648,551,920.47 × 281,811,401.82
  4. Step 4: Simplify right side
    469,952,476.77x = 182,769,325,860,703,872
  5. Step 5: Solve for x
    x = 182,769,325,860,703,872/469,952,476.77
  6. Step 6: Final answer
    x = 388,910,230.07

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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.