Home / 38,727,654,807,947-53,444,159,687,777-21,169,046,686,693

Finding the Fourth Proportional to 38,727,654,807,947, 53,444,159,687,777 and 21,169,046,686,693

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Solution

The fourth proportional to 38,727,654,807,947, 53,444,159,687,777 and 21,169,046,686,693 is: 29,213,282,270,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727,654,807,947 : 53,444,159,687,777 = 21,169,046,686,693 : x
  2. Step 2: Convert to fraction form
    38,727,654,807,947/53,444,159,687,777 = 21,169,046,686,693/x
  3. Step 3: Cross multiply
    38,727,654,807,947x = 53,444,159,687,777 × 21,169,046,686,693
  4. Step 4: Simplify right side
    38,727,654,807,947x = 1,131,361,911,561,627,318,653,812,736
  5. Step 5: Solve for x
    x = 1,131,361,911,561,627,318,653,812,736/38,727,654,807,947
  6. Step 6: Final answer
    x = 29,213,282,270,050.32

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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.