Home / 674,919,258.43-931,389,943.85-377,566,466.30

Finding the Fourth Proportional to 674,919,258.43, 931,389,943.85 and 377,566,466.30

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Solution

The fourth proportional to 674,919,258.43, 931,389,943.85 and 377,566,466.30 is: 521,042,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,919,258.43 : 931,389,943.85 = 377,566,466.30 : x
  2. Step 2: Convert to fraction form
    674,919,258.43/931,389,943.85 = 377,566,466.30/x
  3. Step 3: Cross multiply
    674,919,258.43x = 931,389,943.85 × 377,566,466.30
  4. Step 4: Simplify right side
    674,919,258.43x = 351,661,609,840,255,168
  5. Step 5: Solve for x
    x = 351,661,609,840,255,168/674,919,258.43
  6. Step 6: Final answer
    x = 521,042,488.34

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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.