Home / 738,114,331.40-1,107,330,929.40-220,597,085.60

Finding the Fourth Proportional to 738,114,331.40, 1,107,330,929.40 and 220,597,085.60

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Solution

The fourth proportional to 738,114,331.40, 1,107,330,929.40 and 220,597,085.60 is: 330,943,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,114,331.40 : 1,107,330,929.40 = 220,597,085.60 : x
  2. Step 2: Convert to fraction form
    738,114,331.40/1,107,330,929.40 = 220,597,085.60/x
  3. Step 3: Cross multiply
    738,114,331.40x = 1,107,330,929.40 × 220,597,085.60
  4. Step 4: Simplify right side
    738,114,331.40x = 244,273,975,820,379,360
  5. Step 5: Solve for x
    x = 244,273,975,820,379,360/738,114,331.40
  6. Step 6: Final answer
    x = 330,943,277.25

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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.