Home / 1,349,938,810.63-2,021,606,136.10-1,219,076,817.67

Finding the Fourth Proportional to 1,349,938,810.63, 2,021,606,136.10 and 1,219,076,817.67

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Solution

The fourth proportional to 1,349,938,810.63, 2,021,606,136.10 and 1,219,076,817.67 is: 1,825,633,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,938,810.63 : 2,021,606,136.10 = 1,219,076,817.67 : x
  2. Step 2: Convert to fraction form
    1,349,938,810.63/2,021,606,136.10 = 1,219,076,817.67/x
  3. Step 3: Cross multiply
    1,349,938,810.63x = 2,021,606,136.10 × 1,219,076,817.67
  4. Step 4: Simplify right side
    1,349,938,810.63x = 2,464,493,174,978,932,736
  5. Step 5: Solve for x
    x = 2,464,493,174,978,932,736/1,349,938,810.63
  6. Step 6: Final answer
    x = 1,825,633,247.65

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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.