Home / 612,117,640.20-919,968,050.70-533,287,662.60

Finding the Fourth Proportional to 612,117,640.20, 919,968,050.70 and 533,287,662.60

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Solution

The fourth proportional to 612,117,640.20, 919,968,050.70 and 533,287,662.60 is: 801,492,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,117,640.20 : 919,968,050.70 = 533,287,662.60 : x
  2. Step 2: Convert to fraction form
    612,117,640.20/919,968,050.70 = 533,287,662.60/x
  3. Step 3: Cross multiply
    612,117,640.20x = 919,968,050.70 × 533,287,662.60
  4. Step 4: Simplify right side
    612,117,640.20x = 490,607,611,424,481,344
  5. Step 5: Solve for x
    x = 490,607,611,424,481,344/612,117,640.20
  6. Step 6: Final answer
    x = 801,492,358.99

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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.