Home / 38,842,918,366.43-53,602,661,537.18-21,696,015,638.91

Finding the Fourth Proportional to 38,842,918,366.43, 53,602,661,537.18 and 21,696,015,638.91

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Solution

The fourth proportional to 38,842,918,366.43, 53,602,661,537.18 and 21,696,015,638.91 is: 29,940,185,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842,918,366.43 : 53,602,661,537.18 = 21,696,015,638.91 : x
  2. Step 2: Convert to fraction form
    38,842,918,366.43/53,602,661,537.18 = 21,696,015,638.91/x
  3. Step 3: Cross multiply
    38,842,918,366.43x = 53,602,661,537.18 × 21,696,015,638.91
  4. Step 4: Simplify right side
    38,842,918,366.43x = 1,162,964,182,997,480,374,272
  5. Step 5: Solve for x
    x = 1,162,964,182,997,480,374,272/38,842,918,366.43
  6. Step 6: Final answer
    x = 29,940,185,544.93

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1.5x scale

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.