Home / 767,638,364.40-1,151,457,546.60-629,888,857.20

Finding the Fourth Proportional to 767,638,364.40, 1,151,457,546.60 and 629,888,857.20

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Solution

The fourth proportional to 767,638,364.40, 1,151,457,546.60 and 629,888,857.20 is: 944,833,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,638,364.40 : 1,151,457,546.60 = 629,888,857.20 : x
  2. Step 2: Convert to fraction form
    767,638,364.40/1,151,457,546.60 = 629,888,857.20/x
  3. Step 3: Cross multiply
    767,638,364.40x = 1,151,457,546.60 × 629,888,857.20
  4. Step 4: Simplify right side
    767,638,364.40x = 725,290,278,142,189,696
  5. Step 5: Solve for x
    x = 725,290,278,142,189,696/767,638,364.40
  6. Step 6: Final answer
    x = 944,833,285.80

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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.