Home / 1,113,351,881.31-1,536,334,121.88-611,534,731.23

Finding the Fourth Proportional to 1,113,351,881.31, 1,536,334,121.88 and 611,534,731.23

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Solution

The fourth proportional to 1,113,351,881.31, 1,536,334,121.88 and 611,534,731.23 is: 843,867,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,351,881.31 : 1,536,334,121.88 = 611,534,731.23 : x
  2. Step 2: Convert to fraction form
    1,113,351,881.31/1,536,334,121.88 = 611,534,731.23/x
  3. Step 3: Cross multiply
    1,113,351,881.31x = 1,536,334,121.88 × 611,534,731.23
  4. Step 4: Simplify right side
    1,113,351,881.31x = 939,521,674,303,363,968
  5. Step 5: Solve for x
    x = 939,521,674,303,363,968/1,113,351,881.31
  6. Step 6: Final answer
    x = 843,867,684.67

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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.