Home / 545,954,821.20-818,932,231.80-303,617,725.20

Finding the Fourth Proportional to 545,954,821.20, 818,932,231.80 and 303,617,725.20

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Solution

The fourth proportional to 545,954,821.20, 818,932,231.80 and 303,617,725.20 is: 455,426,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,954,821.20 : 818,932,231.80 = 303,617,725.20 : x
  2. Step 2: Convert to fraction form
    545,954,821.20/818,932,231.80 = 303,617,725.20/x
  3. Step 3: Cross multiply
    545,954,821.20x = 818,932,231.80 × 303,617,725.20
  4. Step 4: Simplify right side
    545,954,821.20x = 248,642,341,312,075,072
  5. Step 5: Solve for x
    x = 248,642,341,312,075,072/545,954,821.20
  6. Step 6: Final answer
    x = 455,426,587.80

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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.