Home / 405,475,913.70-608,213,870.55-233,289,029.70

Finding the Fourth Proportional to 405,475,913.70, 608,213,870.55 and 233,289,029.70

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Solution

The fourth proportional to 405,475,913.70, 608,213,870.55 and 233,289,029.70 is: 349,933,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,475,913.70 : 608,213,870.55 = 233,289,029.70 : x
  2. Step 2: Convert to fraction form
    405,475,913.70/608,213,870.55 = 233,289,029.70/x
  3. Step 3: Cross multiply
    405,475,913.70x = 608,213,870.55 × 233,289,029.70
  4. Step 4: Simplify right side
    405,475,913.70x = 141,889,623,710,690,880
  5. Step 5: Solve for x
    x = 141,889,623,710,690,880/405,475,913.70
  6. Step 6: Final answer
    x = 349,933,544.55

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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.