Home / 598,880,004.20-898,320,006.30-189,968,157.80

Finding the Fourth Proportional to 598,880,004.20, 898,320,006.30 and 189,968,157.80

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Solution

The fourth proportional to 598,880,004.20, 898,320,006.30 and 189,968,157.80 is: 284,952,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,880,004.20 : 898,320,006.30 = 189,968,157.80 : x
  2. Step 2: Convert to fraction form
    598,880,004.20/898,320,006.30 = 189,968,157.80/x
  3. Step 3: Cross multiply
    598,880,004.20x = 898,320,006.30 × 189,968,157.80
  4. Step 4: Simplify right side
    598,880,004.20x = 170,652,196,711,695,392
  5. Step 5: Solve for x
    x = 170,652,196,711,695,392/598,880,004.20
  6. Step 6: Final answer
    x = 284,952,236.70

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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.