Home / 785,178,115,964.55-1,176,117,808,337.40-498,188,448,003.26

Finding the Fourth Proportional to 785,178,115,964.55, 1,176,117,808,337.40 and 498,188,448,003.26

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Solution

The fourth proportional to 785,178,115,964.55, 1,176,117,808,337.40 and 498,188,448,003.26 is: 746,236,164,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,964.55 : 1,176,117,808,337.40 = 498,188,448,003.26 : x
  2. Step 2: Convert to fraction form
    785,178,115,964.55/1,176,117,808,337.40 = 498,188,448,003.26/x
  3. Step 3: Cross multiply
    785,178,115,964.55x = 1,176,117,808,337.40 × 498,188,448,003.26
  4. Step 4: Simplify right side
    785,178,115,964.55x = 585,928,305,604,604,851,126,272
  5. Step 5: Solve for x
    x = 585,928,305,604,604,851,126,272/785,178,115,964.55
  6. Step 6: Final answer
    x = 746,236,164,369.94

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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.