Home / 445,421,036.10-668,131,554.15-300,302,213.70

Finding the Fourth Proportional to 445,421,036.10, 668,131,554.15 and 300,302,213.70

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Solution

The fourth proportional to 445,421,036.10, 668,131,554.15 and 300,302,213.70 is: 450,453,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,421,036.10 : 668,131,554.15 = 300,302,213.70 : x
  2. Step 2: Convert to fraction form
    445,421,036.10/668,131,554.15 = 300,302,213.70/x
  3. Step 3: Cross multiply
    445,421,036.10x = 668,131,554.15 × 300,302,213.70
  4. Step 4: Simplify right side
    445,421,036.10x = 200,641,384,754,066,400
  5. Step 5: Solve for x
    x = 200,641,384,754,066,400/445,421,036.10
  6. Step 6: Final answer
    x = 450,453,320.55

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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.