Home / 850,957,333.20-1,276,435,999.80-522,367,362.90

Finding the Fourth Proportional to 850,957,333.20, 1,276,435,999.80 and 522,367,362.90

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Solution

The fourth proportional to 850,957,333.20, 1,276,435,999.80 and 522,367,362.90 is: 783,551,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,957,333.20 : 1,276,435,999.80 = 522,367,362.90 : x
  2. Step 2: Convert to fraction form
    850,957,333.20/1,276,435,999.80 = 522,367,362.90/x
  3. Step 3: Cross multiply
    850,957,333.20x = 1,276,435,999.80 × 522,367,362.90
  4. Step 4: Simplify right side
    850,957,333.20x = 666,768,507,126,150,912
  5. Step 5: Solve for x
    x = 666,768,507,126,150,912/850,957,333.20
  6. Step 6: Final answer
    x = 783,551,044.35

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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.