Home / 1,139,517,366.80-1,709,276,050.20-1,127,424,131.60

Finding the Fourth Proportional to 1,139,517,366.80, 1,709,276,050.20 and 1,127,424,131.60

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Solution

The fourth proportional to 1,139,517,366.80, 1,709,276,050.20 and 1,127,424,131.60 is: 1,691,136,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,517,366.80 : 1,709,276,050.20 = 1,127,424,131.60 : x
  2. Step 2: Convert to fraction form
    1,139,517,366.80/1,709,276,050.20 = 1,127,424,131.60/x
  3. Step 3: Cross multiply
    1,139,517,366.80x = 1,709,276,050.20 × 1,127,424,131.60
  4. Step 4: Simplify right side
    1,139,517,366.80x = 1,927,079,066,561,412,864
  5. Step 5: Solve for x
    x = 1,927,079,066,561,412,864/1,139,517,366.80
  6. Step 6: Final answer
    x = 1,691,136,197.40

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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.