Home / 309,410,569.41-426,994,663.73-170,184,984.83

Finding the Fourth Proportional to 309,410,569.41, 426,994,663.73 and 170,184,984.83

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Solution

The fourth proportional to 309,410,569.41, 426,994,663.73 and 170,184,984.83 is: 234,859,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,410,569.41 : 426,994,663.73 = 170,184,984.83 : x
  2. Step 2: Convert to fraction form
    309,410,569.41/426,994,663.73 = 170,184,984.83/x
  3. Step 3: Cross multiply
    309,410,569.41x = 426,994,663.73 × 170,184,984.83
  4. Step 4: Simplify right side
    309,410,569.41x = 72,668,080,367,996,336
  5. Step 5: Solve for x
    x = 72,668,080,367,996,336/309,410,569.41
  6. Step 6: Final answer
    x = 234,859,722.17

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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.