Home / 356,184,980.46-491,523,389.37-197,408,337.57

Finding the Fourth Proportional to 356,184,980.46, 491,523,389.37 and 197,408,337.57

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Solution

The fourth proportional to 356,184,980.46, 491,523,389.37 and 197,408,337.57 is: 272,416,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,184,980.46 : 491,523,389.37 = 197,408,337.57 : x
  2. Step 2: Convert to fraction form
    356,184,980.46/491,523,389.37 = 197,408,337.57/x
  3. Step 3: Cross multiply
    356,184,980.46x = 491,523,389.37 × 197,408,337.57
  4. Step 4: Simplify right side
    356,184,980.46x = 97,030,815,172,303,504
  5. Step 5: Solve for x
    x = 97,030,815,172,303,504/356,184,980.46
  6. Step 6: Final answer
    x = 272,416,919.57

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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.