Home / 388,121,664.88-535,654,864.38-220,898,584

Finding the Fourth Proportional to 388,121,664.88, 535,654,864.38 and 220,898,584

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Solution

The fourth proportional to 388,121,664.88, 535,654,864.38 and 220,898,584 is: 304,866,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,121,664.88 : 535,654,864.38 = 220,898,584 : x
  2. Step 2: Convert to fraction form
    388,121,664.88/535,654,864.38 = 220,898,584/x
  3. Step 3: Cross multiply
    388,121,664.88x = 535,654,864.38 × 220,898,584
  4. Step 4: Simplify right side
    388,121,664.88x = 118,325,401,054,254,032
  5. Step 5: Solve for x
    x = 118,325,401,054,254,032/388,121,664.88
  6. Step 6: Final answer
    x = 304,866,777.00

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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.