Home / 31,393,075,950.44-47,089,783,960.86-9,310,299,407.72

Finding the Fourth Proportional to 31,393,075,950.44, 47,089,783,960.86 and 9,310,299,407.72

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Solution

The fourth proportional to 31,393,075,950.44, 47,089,783,960.86 and 9,310,299,407.72 is: 13,965,499,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393,075,950.44 : 47,089,783,960.86 = 9,310,299,407.72 : x
  2. Step 2: Convert to fraction form
    31,393,075,950.44/47,089,783,960.86 = 9,310,299,407.72/x
  3. Step 3: Cross multiply
    31,393,075,950.44x = 47,089,783,960.86 × 9,310,299,407.72
  4. Step 4: Simplify right side
    31,393,075,950.44x = 438,419,987,720,457,617,408
  5. Step 5: Solve for x
    x = 438,419,987,720,457,617,408/31,393,075,950.44
  6. Step 6: Final answer
    x = 13,965,499,539.22

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1.5x scale

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.