Home / 780,052,323.40-1,170,078,485.10-262,310,691.40

Finding the Fourth Proportional to 780,052,323.40, 1,170,078,485.10 and 262,310,691.40

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Solution

The fourth proportional to 780,052,323.40, 1,170,078,485.10 and 262,310,691.40 is: 393,466,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,052,323.40 : 1,170,078,485.10 = 262,310,691.40 : x
  2. Step 2: Convert to fraction form
    780,052,323.40/1,170,078,485.10 = 262,310,691.40/x
  3. Step 3: Cross multiply
    780,052,323.40x = 1,170,078,485.10 × 262,310,691.40
  4. Step 4: Simplify right side
    780,052,323.40x = 306,924,096,418,845,568
  5. Step 5: Solve for x
    x = 306,924,096,418,845,568/780,052,323.40
  6. Step 6: Final answer
    x = 393,466,037.10

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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.