Home / 761,780,202,000-1,051,256,850,353.40-419,224,064,978.98

Finding the Fourth Proportional to 761,780,202,000, 1,051,256,850,353.40 and 419,224,064,978.98

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Solution

The fourth proportional to 761,780,202,000, 1,051,256,850,353.40 and 419,224,064,978.98 is: 578,529,304,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,780,202,000 : 1,051,256,850,353.40 = 419,224,064,978.98 : x
  2. Step 2: Convert to fraction form
    761,780,202,000/1,051,256,850,353.40 = 419,224,064,978.98/x
  3. Step 3: Cross multiply
    761,780,202,000x = 1,051,256,850,353.40 × 419,224,064,978.98
  4. Step 4: Simplify right side
    761,780,202,000x = 440,712,170,142,151,590,543,360
  5. Step 5: Solve for x
    x = 440,712,170,142,151,590,543,360/761,780,202,000
  6. Step 6: Final answer
    x = 578,529,304,102.54

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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.