Home / 761,780,200,788.97-1,051,256,848,683.20-419,224,063,768.06

Finding the Fourth Proportional to 761,780,200,788.97, 1,051,256,848,683.20 and 419,224,063,768.06

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Solution

The fourth proportional to 761,780,200,788.97, 1,051,256,848,683.20 and 419,224,063,768.06 is: 578,529,302,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,780,200,788.97 : 1,051,256,848,683.20 = 419,224,063,768.06 : x
  2. Step 2: Convert to fraction form
    761,780,200,788.97/1,051,256,848,683.20 = 419,224,063,768.06/x
  3. Step 3: Cross multiply
    761,780,200,788.97x = 1,051,256,848,683.20 × 419,224,063,768.06
  4. Step 4: Simplify right side
    761,780,200,788.97x = 440,712,168,168,975,633,481,728
  5. Step 5: Solve for x
    x = 440,712,168,168,975,633,481,728/761,780,200,788.97
  6. Step 6: Final answer
    x = 578,529,302,432.03

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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.