Home / 785,178,115,970.75-1,176,117,808,346.60-498,188,448,009.40

Finding the Fourth Proportional to 785,178,115,970.75, 1,176,117,808,346.60 and 498,188,448,009.40

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Solution

The fourth proportional to 785,178,115,970.75, 1,176,117,808,346.60 and 498,188,448,009.40 is: 746,236,164,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,970.75 : 1,176,117,808,346.60 = 498,188,448,009.40 : x
  2. Step 2: Convert to fraction form
    785,178,115,970.75/1,176,117,808,346.60 = 498,188,448,009.40/x
  3. Step 3: Cross multiply
    785,178,115,970.75x = 1,176,117,808,346.60 × 498,188,448,009.40
  4. Step 4: Simplify right side
    785,178,115,970.75x = 585,928,305,616,409,702,957,056
  5. Step 5: Solve for x
    x = 585,928,305,616,409,702,957,056/785,178,115,970.75
  6. Step 6: Final answer
    x = 746,236,164,379.09

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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.