Home / 405,739,185.54-608,634,024.84-146,956,647.79

Finding the Fourth Proportional to 405,739,185.54, 608,634,024.84 and 146,956,647.79

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Solution

The fourth proportional to 405,739,185.54, 608,634,024.84 and 146,956,647.79 is: 220,444,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,739,185.54 : 608,634,024.84 = 146,956,647.79 : x
  2. Step 2: Convert to fraction form
    405,739,185.54/608,634,024.84 = 146,956,647.79/x
  3. Step 3: Cross multiply
    405,739,185.54x = 608,634,024.84 × 146,956,647.79
  4. Step 4: Simplify right side
    405,739,185.54x = 89,442,816,021,421,984
  5. Step 5: Solve for x
    x = 89,442,816,021,421,984/405,739,185.54
  6. Step 6: Final answer
    x = 220,444,115.85

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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.