Home / 545,954,768.70-818,932,153.05-303,617,672.70

Finding the Fourth Proportional to 545,954,768.70, 818,932,153.05 and 303,617,672.70

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Solution

The fourth proportional to 545,954,768.70, 818,932,153.05 and 303,617,672.70 is: 455,426,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,954,768.70 : 818,932,153.05 = 303,617,672.70 : x
  2. Step 2: Convert to fraction form
    545,954,768.70/818,932,153.05 = 303,617,672.70/x
  3. Step 3: Cross multiply
    545,954,768.70x = 818,932,153.05 × 303,617,672.70
  4. Step 4: Simplify right side
    545,954,768.70x = 248,642,274,408,241,184
  5. Step 5: Solve for x
    x = 248,642,274,408,241,184/545,954,768.70
  6. Step 6: Final answer
    x = 455,426,509.05

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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.