Home / 681,446,784.94-1,022,342,157.69-190,159,646.02

Finding the Fourth Proportional to 681,446,784.94, 1,022,342,157.69 and 190,159,646.02

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Solution

The fourth proportional to 681,446,784.94, 1,022,342,157.69 and 190,159,646.02 is: 285,287,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,446,784.94 : 1,022,342,157.69 = 190,159,646.02 : x
  2. Step 2: Convert to fraction form
    681,446,784.94/1,022,342,157.69 = 190,159,646.02/x
  3. Step 3: Cross multiply
    681,446,784.94x = 1,022,342,157.69 × 190,159,646.02
  4. Step 4: Simplify right side
    681,446,784.94x = 194,408,222,817,653,440
  5. Step 5: Solve for x
    x = 194,408,222,817,653,440/681,446,784.94
  6. Step 6: Final answer
    x = 285,287,460.61

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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.