Home / 450,482,524.52-621,881,452.69-300,025,564.32

Finding the Fourth Proportional to 450,482,524.52, 621,881,452.69 and 300,025,564.32

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Solution

The fourth proportional to 450,482,524.52, 621,881,452.69 and 300,025,564.32 is: 414,178,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,482,524.52 : 621,881,452.69 = 300,025,564.32 : x
  2. Step 2: Convert to fraction form
    450,482,524.52/621,881,452.69 = 300,025,564.32/x
  3. Step 3: Cross multiply
    450,482,524.52x = 621,881,452.69 × 300,025,564.32
  4. Step 4: Simplify right side
    450,482,524.52x = 186,580,333,782,708,576
  5. Step 5: Solve for x
    x = 186,580,333,782,708,576/450,482,524.52
  6. Step 6: Final answer
    x = 414,178,849.63

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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.