Home / 839,850,622.20-1,259,964,890.10-494,626,548.60

Finding the Fourth Proportional to 839,850,622.20, 1,259,964,890.10 and 494,626,548.60

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Solution

The fourth proportional to 839,850,622.20, 1,259,964,890.10 and 494,626,548.60 is: 742,051,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,850,622.20 : 1,259,964,890.10 = 494,626,548.60 : x
  2. Step 2: Convert to fraction form
    839,850,622.20/1,259,964,890.10 = 494,626,548.60/x
  3. Step 3: Cross multiply
    839,850,622.20x = 1,259,964,890.10 × 494,626,548.60
  4. Step 4: Simplify right side
    839,850,622.20x = 623,212,084,947,341,312
  5. Step 5: Solve for x
    x = 623,212,084,947,341,312/839,850,622.20
  6. Step 6: Final answer
    x = 742,051,108.23

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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.