Home / 38,711,396,088.51-53,414,634,902.36-21,563,822,637.21

Finding the Fourth Proportional to 38,711,396,088.51, 53,414,634,902.36 and 21,563,822,637.21

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Solution

The fourth proportional to 38,711,396,088.51, 53,414,634,902.36 and 21,563,822,637.21 is: 29,754,124,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711,396,088.51 : 53,414,634,902.36 = 21,563,822,637.21 : x
  2. Step 2: Convert to fraction form
    38,711,396,088.51/53,414,634,902.36 = 21,563,822,637.21/x
  3. Step 3: Cross multiply
    38,711,396,088.51x = 53,414,634,902.36 × 21,563,822,637.21
  4. Step 4: Simplify right side
    38,711,396,088.51x = 1,151,823,713,265,551,015,936
  5. Step 5: Solve for x
    x = 1,151,823,713,265,551,015,936/38,711,396,088.51
  6. Step 6: Final answer
    x = 29,754,124,874.03

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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.