Home / 681,054,706.40-939,855,478.56-367,788,894.74

Finding the Fourth Proportional to 681,054,706.40, 939,855,478.56 and 367,788,894.74

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Solution

The fourth proportional to 681,054,706.40, 939,855,478.56 and 367,788,894.74 is: 507,548,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,054,706.40 : 939,855,478.56 = 367,788,894.74 : x
  2. Step 2: Convert to fraction form
    681,054,706.40/939,855,478.56 = 367,788,894.74/x
  3. Step 3: Cross multiply
    681,054,706.40x = 939,855,478.56 × 367,788,894.74
  4. Step 4: Simplify right side
    681,054,706.40x = 345,668,407,672,367,872
  5. Step 5: Solve for x
    x = 345,668,407,672,367,872/681,054,706.40
  6. Step 6: Final answer
    x = 507,548,665.95

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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.