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Finding the Fourth Proportional to 468,054,752.89, 645,604,543.92 and 301,002,211.72

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Solution

The fourth proportional to 468,054,752.89, 645,604,543.92 and 301,002,211.72 is: 415,183,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,054,752.89 : 645,604,543.92 = 301,002,211.72 : x
  2. Step 2: Convert to fraction form
    468,054,752.89/645,604,543.92 = 301,002,211.72/x
  3. Step 3: Cross multiply
    468,054,752.89x = 645,604,543.92 × 301,002,211.72
  4. Step 4: Simplify right side
    468,054,752.89x = 194,328,395,616,401,888
  5. Step 5: Solve for x
    x = 194,328,395,616,401,888/468,054,752.89
  6. Step 6: Final answer
    x = 415,183,040.91

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