Home / 52,261,621,946,640-72,120,671,398,242-28,530,640,694,430

Finding the Fourth Proportional to 52,261,621,946,640, 72,120,671,398,242 and 28,530,640,694,430

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Solution

The fourth proportional to 52,261,621,946,640, 72,120,671,398,242 and 28,530,640,694,430 is: 39,372,083,866,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261,621,946,640 : 72,120,671,398,242 = 28,530,640,694,430 : x
  2. Step 2: Convert to fraction form
    52,261,621,946,640/72,120,671,398,242 = 28,530,640,694,430/x
  3. Step 3: Cross multiply
    52,261,621,946,640x = 72,120,671,398,242 × 28,530,640,694,430
  4. Step 4: Simplify right side
    52,261,621,946,640x = 2,057,648,962,304,296,881,569,660,928
  5. Step 5: Solve for x
    x = 2,057,648,962,304,296,881,569,660,928/52,261,621,946,640
  6. Step 6: Final answer
    x = 39,372,083,866,918.47

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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.