Home / 488,974,401.81-674,723,429.28-330,549,226.85

Finding the Fourth Proportional to 488,974,401.81, 674,723,429.28 and 330,549,226.85

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Solution

The fourth proportional to 488,974,401.81, 674,723,429.28 and 330,549,226.85 is: 456,116,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,974,401.81 : 674,723,429.28 = 330,549,226.85 : x
  2. Step 2: Convert to fraction form
    488,974,401.81/674,723,429.28 = 330,549,226.85/x
  3. Step 3: Cross multiply
    488,974,401.81x = 674,723,429.28 × 330,549,226.85
  4. Step 4: Simplify right side
    488,974,401.81x = 223,029,307,887,771,456
  5. Step 5: Solve for x
    x = 223,029,307,887,771,456/488,974,401.81
  6. Step 6: Final answer
    x = 456,116,530.97

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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.