Home / 856,147,920.96-1,181,477,637.36-465,010,144.32

Finding the Fourth Proportional to 856,147,920.96, 1,181,477,637.36 and 465,010,144.32

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Solution

The fourth proportional to 856,147,920.96, 1,181,477,637.36 and 465,010,144.32 is: 641,710,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,147,920.96 : 1,181,477,637.36 = 465,010,144.32 : x
  2. Step 2: Convert to fraction form
    856,147,920.96/1,181,477,637.36 = 465,010,144.32/x
  3. Step 3: Cross multiply
    856,147,920.96x = 1,181,477,637.36 × 465,010,144.32
  4. Step 4: Simplify right side
    856,147,920.96x = 549,399,086,659,626,176
  5. Step 5: Solve for x
    x = 549,399,086,659,626,176/856,147,920.96
  6. Step 6: Final answer
    x = 641,710,472.23

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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.