Home / 856,147,926.96-1,181,477,645.64-465,010,150.32

Finding the Fourth Proportional to 856,147,926.96, 1,181,477,645.64 and 465,010,150.32

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Solution

The fourth proportional to 856,147,926.96, 1,181,477,645.64 and 465,010,150.32 is: 641,710,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,147,926.96 : 1,181,477,645.64 = 465,010,150.32 : x
  2. Step 2: Convert to fraction form
    856,147,926.96/1,181,477,645.64 = 465,010,150.32/x
  3. Step 3: Cross multiply
    856,147,926.96x = 1,181,477,645.64 × 465,010,150.32
  4. Step 4: Simplify right side
    856,147,926.96x = 549,399,097,598,776,128
  5. Step 5: Solve for x
    x = 549,399,097,598,776,128/856,147,926.96
  6. Step 6: Final answer
    x = 641,710,480.51

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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.