Home / 1,987,405,175.04-2,742,630,384.96-1,152,525,448.32

Finding the Fourth Proportional to 1,987,405,175.04, 2,742,630,384.96 and 1,152,525,448.32

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Solution

The fourth proportional to 1,987,405,175.04, 2,742,630,384.96 and 1,152,525,448.32 is: 1,590,491,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,405,175.04 : 2,742,630,384.96 = 1,152,525,448.32 : x
  2. Step 2: Convert to fraction form
    1,987,405,175.04/2,742,630,384.96 = 1,152,525,448.32/x
  3. Step 3: Cross multiply
    1,987,405,175.04x = 2,742,630,384.96 × 1,152,525,448.32
  4. Step 4: Simplify right side
    1,987,405,175.04x = 3,160,951,314,002,078,208
  5. Step 5: Solve for x
    x = 3,160,951,314,002,078,208/1,987,405,175.04
  6. Step 6: Final answer
    x = 1,590,491,638.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.