Home / 399,364,552.80-551,112,509.88-223,153,995.96

Finding the Fourth Proportional to 399,364,552.80, 551,112,509.88 and 223,153,995.96

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Solution

The fourth proportional to 399,364,552.80, 551,112,509.88 and 223,153,995.96 is: 307,946,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,364,552.80 : 551,112,509.88 = 223,153,995.96 : x
  2. Step 2: Convert to fraction form
    399,364,552.80/551,112,509.88 = 223,153,995.96/x
  3. Step 3: Cross multiply
    399,364,552.80x = 551,112,509.88 × 223,153,995.96
  4. Step 4: Simplify right side
    399,364,552.80x = 122,982,958,803,266,976
  5. Step 5: Solve for x
    x = 122,982,958,803,266,976/399,364,552.80
  6. Step 6: Final answer
    x = 307,946,606.53

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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.