Home / 39,157,035,253,493-54,036,876,645,509-21,359,187,173,055

Finding the Fourth Proportional to 39,157,035,253,493, 54,036,876,645,509 and 21,359,187,173,055

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Solution

The fourth proportional to 39,157,035,253,493, 54,036,876,645,509 and 21,359,187,173,055 is: 29,475,769,936,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157,035,253,493 : 54,036,876,645,509 = 21,359,187,173,055 : x
  2. Step 2: Convert to fraction form
    39,157,035,253,493/54,036,876,645,509 = 21,359,187,173,055/x
  3. Step 3: Cross multiply
    39,157,035,253,493x = 54,036,876,645,509 × 21,359,187,173,055
  4. Step 4: Simplify right side
    39,157,035,253,493x = 1,154,183,762,518,711,093,849,751,552
  5. Step 5: Solve for x
    x = 1,154,183,762,518,711,093,849,751,552/39,157,035,253,493
  6. Step 6: Final answer
    x = 29,475,769,936,278.62

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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.