Home / 791,506,187.79-1,187,441,680.23-273,936,634.35

Finding the Fourth Proportional to 791,506,187.79, 1,187,441,680.23 and 273,936,634.35

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Solution

The fourth proportional to 791,506,187.79, 1,187,441,680.23 and 273,936,634.35 is: 410,968,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,506,187.79 : 1,187,441,680.23 = 273,936,634.35 : x
  2. Step 2: Convert to fraction form
    791,506,187.79/1,187,441,680.23 = 273,936,634.35/x
  3. Step 3: Cross multiply
    791,506,187.79x = 1,187,441,680.23 × 273,936,634.35
  4. Step 4: Simplify right side
    791,506,187.79x = 325,283,777,369,115,136
  5. Step 5: Solve for x
    x = 325,283,777,369,115,136/791,506,187.79
  6. Step 6: Final answer
    x = 410,968,078.82

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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.