Home / 404,908,303.14-558,773,997.21-219,269,638.98

Finding the Fourth Proportional to 404,908,303.14, 558,773,997.21 and 219,269,638.98

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Solution

The fourth proportional to 404,908,303.14, 558,773,997.21 and 219,269,638.98 is: 302,592,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,908,303.14 : 558,773,997.21 = 219,269,638.98 : x
  2. Step 2: Convert to fraction form
    404,908,303.14/558,773,997.21 = 219,269,638.98/x
  3. Step 3: Cross multiply
    404,908,303.14x = 558,773,997.21 × 219,269,638.98
  4. Step 4: Simplify right side
    404,908,303.14x = 122,522,172,639,648,224
  5. Step 5: Solve for x
    x = 122,522,172,639,648,224/404,908,303.14
  6. Step 6: Final answer
    x = 302,592,393.61

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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.