Home / 357,366,832.94-493,178,206.01-198,603,647.72

Finding the Fourth Proportional to 357,366,832.94, 493,178,206.01 and 198,603,647.72

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Solution

The fourth proportional to 357,366,832.94, 493,178,206.01 and 198,603,647.72 is: 274,079,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,366,832.94 : 493,178,206.01 = 198,603,647.72 : x
  2. Step 2: Convert to fraction form
    357,366,832.94/493,178,206.01 = 198,603,647.72/x
  3. Step 3: Cross multiply
    357,366,832.94x = 493,178,206.01 × 198,603,647.72
  4. Step 4: Simplify right side
    357,366,832.94x = 97,946,990,686,132,720
  5. Step 5: Solve for x
    x = 97,946,990,686,132,720/357,366,832.94
  6. Step 6: Final answer
    x = 274,079,689.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.