Home / 834,978,817.26-1,152,239,200.21-463,724,763.48

Finding the Fourth Proportional to 834,978,817.26, 1,152,239,200.21 and 463,724,763.48

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Solution

The fourth proportional to 834,978,817.26, 1,152,239,200.21 and 463,724,763.48 is: 639,922,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,978,817.26 : 1,152,239,200.21 = 463,724,763.48 : x
  2. Step 2: Convert to fraction form
    834,978,817.26/1,152,239,200.21 = 463,724,763.48/x
  3. Step 3: Cross multiply
    834,978,817.26x = 1,152,239,200.21 × 463,724,763.48
  4. Step 4: Simplify right side
    834,978,817.26x = 534,321,850,590,369,408
  5. Step 5: Solve for x
    x = 534,321,850,590,369,408/834,978,817.26
  6. Step 6: Final answer
    x = 639,922,641.80

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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.