Home / 298,951,036.35-448,426,554.53-266,665,995.60

Finding the Fourth Proportional to 298,951,036.35, 448,426,554.53 and 266,665,995.60

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Solution

The fourth proportional to 298,951,036.35, 448,426,554.53 and 266,665,995.60 is: 399,998,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,951,036.35 : 448,426,554.53 = 266,665,995.60 : x
  2. Step 2: Convert to fraction form
    298,951,036.35/448,426,554.53 = 266,665,995.60/x
  3. Step 3: Cross multiply
    298,951,036.35x = 448,426,554.53 × 266,665,995.60
  4. Step 4: Simplify right side
    298,951,036.35x = 119,580,113,615,886,800
  5. Step 5: Solve for x
    x = 119,580,113,615,886,800/298,951,036.35
  6. Step 6: Final answer
    x = 399,998,993.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.