Home / 761,780,202,013.53-1,051,256,850,372-419,224,064,992.48

Finding the Fourth Proportional to 761,780,202,013.53, 1,051,256,850,372 and 419,224,064,992.48

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Solution

The fourth proportional to 761,780,202,013.53, 1,051,256,850,372 and 419,224,064,992.48 is: 578,529,304,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,780,202,013.53 : 1,051,256,850,372 = 419,224,064,992.48 : x
  2. Step 2: Convert to fraction form
    761,780,202,013.53/1,051,256,850,372 = 419,224,064,992.48/x
  3. Step 3: Cross multiply
    761,780,202,013.53x = 1,051,256,850,372 × 419,224,064,992.48
  4. Step 4: Simplify right side
    761,780,202,013.53x = 440,712,170,164,141,152,010,240
  5. Step 5: Solve for x
    x = 440,712,170,164,141,152,010,240/761,780,202,013.53
  6. Step 6: Final answer
    x = 578,529,304,121.13

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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.