Home / 30,302,146,969.32-45,453,264,199.90-12,374,525,499.65

Finding the Fourth Proportional to 30,302,146,969.32, 45,453,264,199.90 and 12,374,525,499.65

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Solution

The fourth proportional to 30,302,146,969.32, 45,453,264,199.90 and 12,374,525,499.65 is: 18,561,806,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302,146,969.32 : 45,453,264,199.90 = 12,374,525,499.65 : x
  2. Step 2: Convert to fraction form
    30,302,146,969.32/45,453,264,199.90 = 12,374,525,499.65/x
  3. Step 3: Cross multiply
    30,302,146,969.32x = 45,453,264,199.90 × 12,374,525,499.65
  4. Step 4: Simplify right side
    30,302,146,969.32x = 562,462,576,883,945,570,304
  5. Step 5: Solve for x
    x = 562,462,576,883,945,570,304/30,302,146,969.32
  6. Step 6: Final answer
    x = 18,561,806,114.05

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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.