Home / 756,174,145.20-1,134,261,217.80-603,119,137.20

Finding the Fourth Proportional to 756,174,145.20, 1,134,261,217.80 and 603,119,137.20

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Solution

The fourth proportional to 756,174,145.20, 1,134,261,217.80 and 603,119,137.20 is: 904,678,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,174,145.20 : 1,134,261,217.80 = 603,119,137.20 : x
  2. Step 2: Convert to fraction form
    756,174,145.20/1,134,261,217.80 = 603,119,137.20/x
  3. Step 3: Cross multiply
    756,174,145.20x = 1,134,261,217.80 × 603,119,137.20
  4. Step 4: Simplify right side
    756,174,145.20x = 684,094,647,038,957,312
  5. Step 5: Solve for x
    x = 684,094,647,038,957,312/756,174,145.20
  6. Step 6: Final answer
    x = 904,678,705.80

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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.