Home / 785,178,115,961.40-1,176,117,808,332.70-498,188,448,000.08

Finding the Fourth Proportional to 785,178,115,961.40, 1,176,117,808,332.70 and 498,188,448,000.08

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Solution

The fourth proportional to 785,178,115,961.40, 1,176,117,808,332.70 and 498,188,448,000.08 is: 746,236,164,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,961.40 : 1,176,117,808,332.70 = 498,188,448,000.08 : x
  2. Step 2: Convert to fraction form
    785,178,115,961.40/1,176,117,808,332.70 = 498,188,448,000.08/x
  3. Step 3: Cross multiply
    785,178,115,961.40x = 1,176,117,808,332.70 × 498,188,448,000.08
  4. Step 4: Simplify right side
    785,178,115,961.40x = 585,928,305,598,523,378,761,728
  5. Step 5: Solve for x
    x = 585,928,305,598,523,378,761,728/785,178,115,961.40
  6. Step 6: Final answer
    x = 746,236,164,365.19

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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.