Home / 347,007,303.30-478,870,042.96-196,296,739.32

Finding the Fourth Proportional to 347,007,303.30, 478,870,042.96 and 196,296,739.32

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Solution

The fourth proportional to 347,007,303.30, 478,870,042.96 and 196,296,739.32 is: 270,889,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,007,303.30 : 478,870,042.96 = 196,296,739.32 : x
  2. Step 2: Convert to fraction form
    347,007,303.30/478,870,042.96 = 196,296,739.32/x
  3. Step 3: Cross multiply
    347,007,303.30x = 478,870,042.96 × 196,296,739.32
  4. Step 4: Simplify right side
    347,007,303.30x = 94,000,627,991,076,320
  5. Step 5: Solve for x
    x = 94,000,627,991,076,320/347,007,303.30
  6. Step 6: Final answer
    x = 270,889,480.13

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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.