Home / 1,327,641,604.40-1,991,462,406.60-561,637,175.60

Finding the Fourth Proportional to 1,327,641,604.40, 1,991,462,406.60 and 561,637,175.60

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Solution

The fourth proportional to 1,327,641,604.40, 1,991,462,406.60 and 561,637,175.60 is: 842,455,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,641,604.40 : 1,991,462,406.60 = 561,637,175.60 : x
  2. Step 2: Convert to fraction form
    1,327,641,604.40/1,991,462,406.60 = 561,637,175.60/x
  3. Step 3: Cross multiply
    1,327,641,604.40x = 1,991,462,406.60 × 561,637,175.60
  4. Step 4: Simplify right side
    1,327,641,604.40x = 1,118,479,321,356,402,816
  5. Step 5: Solve for x
    x = 1,118,479,321,356,402,816/1,327,641,604.40
  6. Step 6: Final answer
    x = 842,455,763.40

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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.