Home / 39,157,035,253,492-54,036,876,645,508-21,359,187,173,054

Finding the Fourth Proportional to 39,157,035,253,492, 54,036,876,645,508 and 21,359,187,173,054

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Solution

The fourth proportional to 39,157,035,253,492, 54,036,876,645,508 and 21,359,187,173,054 is: 29,475,769,936,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157,035,253,492 : 54,036,876,645,508 = 21,359,187,173,054 : x
  2. Step 2: Convert to fraction form
    39,157,035,253,492/54,036,876,645,508 = 21,359,187,173,054/x
  3. Step 3: Cross multiply
    39,157,035,253,492x = 54,036,876,645,508 × 21,359,187,173,054
  4. Step 4: Simplify right side
    39,157,035,253,492x = 1,154,183,762,518,635,777,303,248,896
  5. Step 5: Solve for x
    x = 1,154,183,762,518,635,777,303,248,896/39,157,035,253,492
  6. Step 6: Final answer
    x = 29,475,769,936,277.45

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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.