Home / 758,543,289.44-1,137,815,373.74-213,284,823.44

Finding the Fourth Proportional to 758,543,289.44, 1,137,815,373.74 and 213,284,823.44

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Solution

The fourth proportional to 758,543,289.44, 1,137,815,373.74 and 213,284,823.44 is: 319,927,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,543,289.44 : 1,137,815,373.74 = 213,284,823.44 : x
  2. Step 2: Convert to fraction form
    758,543,289.44/1,137,815,373.74 = 213,284,823.44/x
  3. Step 3: Cross multiply
    758,543,289.44x = 1,137,815,373.74 × 213,284,823.44
  4. Step 4: Simplify right side
    758,543,289.44x = 242,678,751,095,453,504
  5. Step 5: Solve for x
    x = 242,678,751,095,453,504/758,543,289.44
  6. Step 6: Final answer
    x = 319,927,358.76

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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.