Home / 785,178,115,962.80-1,176,117,808,334.70-498,188,448,001.42

Finding the Fourth Proportional to 785,178,115,962.80, 1,176,117,808,334.70 and 498,188,448,001.42

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Solution

The fourth proportional to 785,178,115,962.80, 1,176,117,808,334.70 and 498,188,448,001.42 is: 746,236,164,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,962.80 : 1,176,117,808,334.70 = 498,188,448,001.42 : x
  2. Step 2: Convert to fraction form
    785,178,115,962.80/1,176,117,808,334.70 = 498,188,448,001.42/x
  3. Step 3: Cross multiply
    785,178,115,962.80x = 1,176,117,808,334.70 × 498,188,448,001.42
  4. Step 4: Simplify right side
    785,178,115,962.80x = 585,928,305,601,095,728,627,712
  5. Step 5: Solve for x
    x = 585,928,305,601,095,728,627,712/785,178,115,962.80
  6. Step 6: Final answer
    x = 746,236,164,367.14

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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.