Home / 551,018,529.08-760,405,527.61-303,499,883.34

Finding the Fourth Proportional to 551,018,529.08, 760,405,527.61 and 303,499,883.34

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Solution

The fourth proportional to 551,018,529.08, 760,405,527.61 and 303,499,883.34 is: 418,829,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,018,529.08 : 760,405,527.61 = 303,499,883.34 : x
  2. Step 2: Convert to fraction form
    551,018,529.08/760,405,527.61 = 303,499,883.34/x
  3. Step 3: Cross multiply
    551,018,529.08x = 760,405,527.61 × 303,499,883.34
  4. Step 4: Simplify right side
    551,018,529.08x = 230,782,988,920,726,144
  5. Step 5: Solve for x
    x = 230,782,988,920,726,144/551,018,529.08
  6. Step 6: Final answer
    x = 418,829,815.59

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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.