Home / 1,020,473,181-1,407,501,136.14-769,588,145.82

Finding the Fourth Proportional to 1,020,473,181, 1,407,501,136.14 and 769,588,145.82

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Solution

The fourth proportional to 1,020,473,181, 1,407,501,136.14 and 769,588,145.82 is: 1,061,464,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,473,181 : 1,407,501,136.14 = 769,588,145.82 : x
  2. Step 2: Convert to fraction form
    1,020,473,181/1,407,501,136.14 = 769,588,145.82/x
  3. Step 3: Cross multiply
    1,020,473,181x = 1,407,501,136.14 × 769,588,145.82
  4. Step 4: Simplify right side
    1,020,473,181x = 1,083,196,189,601,526,144
  5. Step 5: Solve for x
    x = 1,083,196,189,601,526,144/1,020,473,181
  6. Step 6: Final answer
    x = 1,061,464,632.06

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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.