Home / 919,724,150.43-1,379,075,809.01-305,973,335.07

Finding the Fourth Proportional to 919,724,150.43, 1,379,075,809.01 and 305,973,335.07

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Solution

The fourth proportional to 919,724,150.43, 1,379,075,809.01 and 305,973,335.07 is: 458,790,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,724,150.43 : 1,379,075,809.01 = 305,973,335.07 : x
  2. Step 2: Convert to fraction form
    919,724,150.43/1,379,075,809.01 = 305,973,335.07/x
  3. Step 3: Cross multiply
    919,724,150.43x = 1,379,075,809.01 × 305,973,335.07
  4. Step 4: Simplify right side
    919,724,150.43x = 421,960,424,595,618,240
  5. Step 5: Solve for x
    x = 421,960,424,595,618,240/919,724,150.43
  6. Step 6: Final answer
    x = 458,790,197.47

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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.