Home / 30,302,146,971.20-45,453,264,202.72-12,374,525,501.53

Finding the Fourth Proportional to 30,302,146,971.20, 45,453,264,202.72 and 12,374,525,501.53

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Solution

The fourth proportional to 30,302,146,971.20, 45,453,264,202.72 and 12,374,525,501.53 is: 18,561,806,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302,146,971.20 : 45,453,264,202.72 = 12,374,525,501.53 : x
  2. Step 2: Convert to fraction form
    30,302,146,971.20/45,453,264,202.72 = 12,374,525,501.53/x
  3. Step 3: Cross multiply
    30,302,146,971.20x = 45,453,264,202.72 × 12,374,525,501.53
  4. Step 4: Simplify right side
    30,302,146,971.20x = 562,462,577,004,211,273,728
  5. Step 5: Solve for x
    x = 562,462,577,004,211,273,728/30,302,146,971.20
  6. Step 6: Final answer
    x = 18,561,806,116.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.