Home / 7,828,405,391.20-10,803,201,203.28-4,308,140,207.20

Finding the Fourth Proportional to 7,828,405,391.20, 10,803,201,203.28 and 4,308,140,207.20

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Solution

The fourth proportional to 7,828,405,391.20, 10,803,201,203.28 and 4,308,140,207.20 is: 5,945,234,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,405,391.20 : 10,803,201,203.28 = 4,308,140,207.20 : x
  2. Step 2: Convert to fraction form
    7,828,405,391.20/10,803,201,203.28 = 4,308,140,207.20/x
  3. Step 3: Cross multiply
    7,828,405,391.20x = 10,803,201,203.28 × 4,308,140,207.20
  4. Step 4: Simplify right side
    7,828,405,391.20x = 46,541,705,470,321,991,680
  5. Step 5: Solve for x
    x = 46,541,705,470,321,991,680/7,828,405,391.20
  6. Step 6: Final answer
    x = 5,945,234,456.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.