Home / 405,473,753,969.17-559,554,393,414.20-220,075,529,425.40

Finding the Fourth Proportional to 405,473,753,969.17, 559,554,393,414.20 and 220,075,529,425.40

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Solution

The fourth proportional to 405,473,753,969.17, 559,554,393,414.20 and 220,075,529,425.40 is: 303,704,563,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,473,753,969.17 : 559,554,393,414.20 = 220,075,529,425.40 : x
  2. Step 2: Convert to fraction form
    405,473,753,969.17/559,554,393,414.20 = 220,075,529,425.40/x
  3. Step 3: Cross multiply
    405,473,753,969.17x = 559,554,393,414.20 × 220,075,529,425.40
  4. Step 4: Simplify right side
    405,473,753,969.17x = 123,144,229,372,938,608,967,680
  5. Step 5: Solve for x
    x = 123,144,229,372,938,608,967,680/405,473,753,969.17
  6. Step 6: Final answer
    x = 303,704,563,285.50

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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.