Home / 612,112,927.20-919,960,981.20-533,282,949.60

Finding the Fourth Proportional to 612,112,927.20, 919,960,981.20 and 533,282,949.60

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Solution

The fourth proportional to 612,112,927.20, 919,960,981.20 and 533,282,949.60 is: 801,485,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,112,927.20 : 919,960,981.20 = 533,282,949.60 : x
  2. Step 2: Convert to fraction form
    612,112,927.20/919,960,981.20 = 533,282,949.60/x
  3. Step 3: Cross multiply
    612,112,927.20x = 919,960,981.20 × 533,282,949.60
  4. Step 4: Simplify right side
    612,112,927.20x = 490,599,505,571,246,208
  5. Step 5: Solve for x
    x = 490,599,505,571,246,208/612,112,927.20
  6. Step 6: Final answer
    x = 801,485,287.72

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1.5x scale

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.