Home / 880,253,269.20-1,320,379,903.80-472,106,581.20

Finding the Fourth Proportional to 880,253,269.20, 1,320,379,903.80 and 472,106,581.20

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Solution

The fourth proportional to 880,253,269.20, 1,320,379,903.80 and 472,106,581.20 is: 708,159,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,253,269.20 : 1,320,379,903.80 = 472,106,581.20 : x
  2. Step 2: Convert to fraction form
    880,253,269.20/1,320,379,903.80 = 472,106,581.20/x
  3. Step 3: Cross multiply
    880,253,269.20x = 1,320,379,903.80 × 472,106,581.20
  4. Step 4: Simplify right side
    880,253,269.20x = 623,360,042,268,202,880
  5. Step 5: Solve for x
    x = 623,360,042,268,202,880/880,253,269.20
  6. Step 6: Final answer
    x = 708,159,871.80

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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.