Home / 369,390,020.04-509,634,451.62-212,753,991.24

Finding the Fourth Proportional to 369,390,020.04, 509,634,451.62 and 212,753,991.24

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Solution

The fourth proportional to 369,390,020.04, 509,634,451.62 and 212,753,991.24 is: 293,529,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,390,020.04 : 509,634,451.62 = 212,753,991.24 : x
  2. Step 2: Convert to fraction form
    369,390,020.04/509,634,451.62 = 212,753,991.24/x
  3. Step 3: Cross multiply
    369,390,020.04x = 509,634,451.62 × 212,753,991.24
  4. Step 4: Simplify right side
    369,390,020.04x = 108,426,763,655,563,696
  5. Step 5: Solve for x
    x = 108,426,763,655,563,696/369,390,020.04
  6. Step 6: Final answer
    x = 293,529,217.83

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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.