Home / 419,046,564,426.39-628,569,845,929.20-100,692,763,173.27

Finding the Fourth Proportional to 419,046,564,426.39, 628,569,845,929.20 and 100,692,763,173.27

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Solution

The fourth proportional to 419,046,564,426.39, 628,569,845,929.20 and 100,692,763,173.27 is: 151,039,144,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,046,564,426.39 : 628,569,845,929.20 = 100,692,763,173.27 : x
  2. Step 2: Convert to fraction form
    419,046,564,426.39/628,569,845,929.20 = 100,692,763,173.27/x
  3. Step 3: Cross multiply
    419,046,564,426.39x = 628,569,845,929.20 × 100,692,763,173.27
  4. Step 4: Simplify right side
    419,046,564,426.39x = 63,292,434,634,007,746,969,600
  5. Step 5: Solve for x
    x = 63,292,434,634,007,746,969,600/419,046,564,426.39
  6. Step 6: Final answer
    x = 151,039,144,589.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.