Home / 770,430,180,647.40-1,063,196,133,627.20-427,874,043,626.46

Finding the Fourth Proportional to 770,430,180,647.40, 1,063,196,133,627.20 and 427,874,043,626.46

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Solution

The fourth proportional to 770,430,180,647.40, 1,063,196,133,627.20 and 427,874,043,626.46 is: 590,467,559,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,430,180,647.40 : 1,063,196,133,627.20 = 427,874,043,626.46 : x
  2. Step 2: Convert to fraction form
    770,430,180,647.40/1,063,196,133,627.20 = 427,874,043,626.46/x
  3. Step 3: Cross multiply
    770,430,180,647.40x = 1,063,196,133,627.20 × 427,874,043,626.46
  4. Step 4: Simplify right side
    770,430,180,647.40x = 454,914,028,863,088,165,388,288
  5. Step 5: Solve for x
    x = 454,914,028,863,088,165,388,288/770,430,180,647.40
  6. Step 6: Final answer
    x = 590,467,559,929.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.