Home / 674,919,258.74-931,389,944.28-377,566,466.60

Finding the Fourth Proportional to 674,919,258.74, 931,389,944.28 and 377,566,466.60

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Solution

The fourth proportional to 674,919,258.74, 931,389,944.28 and 377,566,466.60 is: 521,042,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,919,258.74 : 931,389,944.28 = 377,566,466.60 : x
  2. Step 2: Convert to fraction form
    674,919,258.74/931,389,944.28 = 377,566,466.60/x
  3. Step 3: Cross multiply
    674,919,258.74x = 931,389,944.28 × 377,566,466.60
  4. Step 4: Simplify right side
    674,919,258.74x = 351,661,610,286,682,688
  5. Step 5: Solve for x
    x = 351,661,610,286,682,688/674,919,258.74
  6. Step 6: Final answer
    x = 521,042,488.76

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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.