Home / 780,194,701.53-1,170,112,969.07-465,149,874.72

Finding the Fourth Proportional to 780,194,701.53, 1,170,112,969.07 and 465,149,874.72

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Solution

The fourth proportional to 780,194,701.53, 1,170,112,969.07 and 465,149,874.72 is: 697,618,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,194,701.53 : 1,170,112,969.07 = 465,149,874.72 : x
  2. Step 2: Convert to fraction form
    780,194,701.53/1,170,112,969.07 = 465,149,874.72/x
  3. Step 3: Cross multiply
    780,194,701.53x = 1,170,112,969.07 × 465,149,874.72
  4. Step 4: Simplify right side
    780,194,701.53x = 544,277,900,971,157,760
  5. Step 5: Solve for x
    x = 544,277,900,971,157,760/780,194,701.53
  6. Step 6: Final answer
    x = 697,618,043.17

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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.