Home / 388,027,557.08-535,483,675.82-220,760,218.27

Finding the Fourth Proportional to 388,027,557.08, 535,483,675.82 and 220,760,218.27

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Solution

The fourth proportional to 388,027,557.08, 535,483,675.82 and 220,760,218.27 is: 304,652,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,027,557.08 : 535,483,675.82 = 220,760,218.27 : x
  2. Step 2: Convert to fraction form
    388,027,557.08/535,483,675.82 = 220,760,218.27/x
  3. Step 3: Cross multiply
    388,027,557.08x = 535,483,675.82 × 220,760,218.27
  4. Step 4: Simplify right side
    388,027,557.08x = 118,213,493,151,602,624
  5. Step 5: Solve for x
    x = 118,213,493,151,602,624/388,027,557.08
  6. Step 6: Final answer
    x = 304,652,313.98

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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.