Home / 685,379,752,537.73-945,811,334,373.34-376,724,513,203.07

Finding the Fourth Proportional to 685,379,752,537.73, 945,811,334,373.34 and 376,724,513,203.07

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Solution

The fourth proportional to 685,379,752,537.73, 945,811,334,373.34 and 376,724,513,203.07 is: 519,872,834,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,379,752,537.73 : 945,811,334,373.34 = 376,724,513,203.07 : x
  2. Step 2: Convert to fraction form
    685,379,752,537.73/945,811,334,373.34 = 376,724,513,203.07/x
  3. Step 3: Cross multiply
    685,379,752,537.73x = 945,811,334,373.34 × 376,724,513,203.07
  4. Step 4: Simplify right side
    685,379,752,537.73x = 356,310,314,523,742,588,370,944
  5. Step 5: Solve for x
    x = 356,310,314,523,742,588,370,944/685,379,752,537.73
  6. Step 6: Final answer
    x = 519,872,834,300.18

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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.