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Finding the Fourth Proportional to 674,919,258.68, 931,389,944.19 and 377,566,466.54

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Solution

The fourth proportional to 674,919,258.68, 931,389,944.19 and 377,566,466.54 is: 521,042,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,919,258.68 : 931,389,944.19 = 377,566,466.54 : x
  2. Step 2: Convert to fraction form
    674,919,258.68/931,389,944.19 = 377,566,466.54/x
  3. Step 3: Cross multiply
    674,919,258.68x = 931,389,944.19 × 377,566,466.54
  4. Step 4: Simplify right side
    674,919,258.68x = 351,661,610,194,049,216
  5. Step 5: Solve for x
    x = 351,661,610,194,049,216/674,919,258.68
  6. Step 6: Final answer
    x = 521,042,488.67

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1.5x scale

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.