Home / 1,242,973,387,724.40-1,715,285,169,187.40-694,272,500,443.44

Finding the Fourth Proportional to 1,242,973,387,724.40, 1,715,285,169,187.40 and 694,272,500,443.44

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Solution

The fourth proportional to 1,242,973,387,724.40, 1,715,285,169,187.40 and 694,272,500,443.44 is: 958,085,937,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,973,387,724.40 : 1,715,285,169,187.40 = 694,272,500,443.44 : x
  2. Step 2: Convert to fraction form
    1,242,973,387,724.40/1,715,285,169,187.40 = 694,272,500,443.44/x
  3. Step 3: Cross multiply
    1,242,973,387,724.40x = 1,715,285,169,187.40 × 694,272,500,443.44
  4. Step 4: Simplify right side
    1,242,973,387,724.40x = 1,190,875,323,385,285,057,708,032
  5. Step 5: Solve for x
    x = 1,190,875,323,385,285,057,708,032/1,242,973,387,724.40
  6. Step 6: Final answer
    x = 958,085,937,435.48

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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.