Home / 1,559,540,814.40-2,339,311,221.60-1,314,652,801.60

Finding the Fourth Proportional to 1,559,540,814.40, 2,339,311,221.60 and 1,314,652,801.60

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Solution

The fourth proportional to 1,559,540,814.40, 2,339,311,221.60 and 1,314,652,801.60 is: 1,971,979,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,540,814.40 : 2,339,311,221.60 = 1,314,652,801.60 : x
  2. Step 2: Convert to fraction form
    1,559,540,814.40/2,339,311,221.60 = 1,314,652,801.60/x
  3. Step 3: Cross multiply
    1,559,540,814.40x = 2,339,311,221.60 × 1,314,652,801.60
  4. Step 4: Simplify right side
    1,559,540,814.40x = 3,075,382,051,290,758,144
  5. Step 5: Solve for x
    x = 3,075,382,051,290,758,144/1,559,540,814.40
  6. Step 6: Final answer
    x = 1,971,979,202.40

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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.