Home / 679,300,168.98-1,018,753,217.73-264,684,509.94

Finding the Fourth Proportional to 679,300,168.98, 1,018,753,217.73 and 264,684,509.94

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Solution

The fourth proportional to 679,300,168.98, 1,018,753,217.73 and 264,684,509.94 is: 396,949,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,300,168.98 : 1,018,753,217.73 = 264,684,509.94 : x
  2. Step 2: Convert to fraction form
    679,300,168.98/1,018,753,217.73 = 264,684,509.94/x
  3. Step 3: Cross multiply
    679,300,168.98x = 1,018,753,217.73 × 264,684,509.94
  4. Step 4: Simplify right side
    679,300,168.98x = 269,648,196,184,663,168
  5. Step 5: Solve for x
    x = 269,648,196,184,663,168/679,300,168.98
  6. Step 6: Final answer
    x = 396,949,991.33

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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.