Home / 681,446,783.94-1,022,342,156.19-190,159,645.02

Finding the Fourth Proportional to 681,446,783.94, 1,022,342,156.19 and 190,159,645.02

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Solution

The fourth proportional to 681,446,783.94, 1,022,342,156.19 and 190,159,645.02 is: 285,287,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,446,783.94 : 1,022,342,156.19 = 190,159,645.02 : x
  2. Step 2: Convert to fraction form
    681,446,783.94/1,022,342,156.19 = 190,159,645.02/x
  3. Step 3: Cross multiply
    681,446,783.94x = 1,022,342,156.19 × 190,159,645.02
  4. Step 4: Simplify right side
    681,446,783.94x = 194,408,221,510,071,808
  5. Step 5: Solve for x
    x = 194,408,221,510,071,808/681,446,783.94
  6. Step 6: Final answer
    x = 285,287,459.11

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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.