Home / 1,282,089,745.50-1,769,283,965.43-725,160,805.98

Finding the Fourth Proportional to 1,282,089,745.50, 1,769,283,965.43 and 725,160,805.98

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Solution

The fourth proportional to 1,282,089,745.50, 1,769,283,965.43 and 725,160,805.98 is: 1,000,721,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,089,745.50 : 1,769,283,965.43 = 725,160,805.98 : x
  2. Step 2: Convert to fraction form
    1,282,089,745.50/1,769,283,965.43 = 725,160,805.98/x
  3. Step 3: Cross multiply
    1,282,089,745.50x = 1,769,283,965.43 × 725,160,805.98
  4. Step 4: Simplify right side
    1,282,089,745.50x = 1,283,015,386,378,709,248
  5. Step 5: Solve for x
    x = 1,283,015,386,378,709,248/1,282,089,745.50
  6. Step 6: Final answer
    x = 1,000,721,978.22

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Why These Related Problems?

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