Home / 685,379,752,538.74-945,811,334,374.70-376,724,513,204.06

Finding the Fourth Proportional to 685,379,752,538.74, 945,811,334,374.70 and 376,724,513,204.06

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Solution

The fourth proportional to 685,379,752,538.74, 945,811,334,374.70 and 376,724,513,204.06 is: 519,872,834,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,379,752,538.74 : 945,811,334,374.70 = 376,724,513,204.06 : x
  2. Step 2: Convert to fraction form
    685,379,752,538.74/945,811,334,374.70 = 376,724,513,204.06/x
  3. Step 3: Cross multiply
    685,379,752,538.74x = 945,811,334,374.70 × 376,724,513,204.06
  4. Step 4: Simplify right side
    685,379,752,538.74x = 356,310,314,525,191,267,418,112
  5. Step 5: Solve for x
    x = 356,310,314,525,191,267,418,112/685,379,752,538.74
  6. Step 6: Final answer
    x = 519,872,834,301.52

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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.