Home / 824,830,400.42-1,237,795,730.67-300,199,356.29

Finding the Fourth Proportional to 824,830,400.42, 1,237,795,730.67 and 300,199,356.29

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Solution

The fourth proportional to 824,830,400.42, 1,237,795,730.67 and 300,199,356.29 is: 450,499,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,830,400.42 : 1,237,795,730.67 = 300,199,356.29 : x
  2. Step 2: Convert to fraction form
    824,830,400.42/1,237,795,730.67 = 300,199,356.29/x
  3. Step 3: Cross multiply
    824,830,400.42x = 1,237,795,730.67 × 300,199,356.29
  4. Step 4: Simplify right side
    824,830,400.42x = 371,585,481,559,455,296
  5. Step 5: Solve for x
    x = 371,585,481,559,455,296/824,830,400.42
  6. Step 6: Final answer
    x = 450,499,255.81

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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.