Home / 15,412,607,276.48-21,269,381,516.64-8,372,082,169.28

Finding the Fourth Proportional to 15,412,607,276.48, 21,269,381,516.64 and 8,372,082,169.28

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Solution

The fourth proportional to 15,412,607,276.48, 21,269,381,516.64 and 8,372,082,169.28 is: 11,553,464,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,607,276.48 : 21,269,381,516.64 = 8,372,082,169.28 : x
  2. Step 2: Convert to fraction form
    15,412,607,276.48/21,269,381,516.64 = 8,372,082,169.28/x
  3. Step 3: Cross multiply
    15,412,607,276.48x = 21,269,381,516.64 × 8,372,082,169.28
  4. Step 4: Simplify right side
    15,412,607,276.48x = 178,069,009,747,075,334,144
  5. Step 5: Solve for x
    x = 178,069,009,747,075,334,144/15,412,607,276.48
  6. Step 6: Final answer
    x = 11,553,464,417.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.