Home / 405,473,753,971.67-559,554,393,417.70-220,075,529,427.90

Finding the Fourth Proportional to 405,473,753,971.67, 559,554,393,417.70 and 220,075,529,427.90

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Solution

The fourth proportional to 405,473,753,971.67, 559,554,393,417.70 and 220,075,529,427.90 is: 303,704,563,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,473,753,971.67 : 559,554,393,417.70 = 220,075,529,427.90 : x
  2. Step 2: Convert to fraction form
    405,473,753,971.67/559,554,393,417.70 = 220,075,529,427.90/x
  3. Step 3: Cross multiply
    405,473,753,971.67x = 559,554,393,417.70 × 220,075,529,427.90
  4. Step 4: Simplify right side
    405,473,753,971.67x = 123,144,229,375,107,752,001,536
  5. Step 5: Solve for x
    x = 123,144,229,375,107,752,001,536/405,473,753,971.67
  6. Step 6: Final answer
    x = 303,704,563,288.98

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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.