Home / 856,147,927.96-1,181,477,647.02-465,010,151.32

Finding the Fourth Proportional to 856,147,927.96, 1,181,477,647.02 and 465,010,151.32

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Solution

The fourth proportional to 856,147,927.96, 1,181,477,647.02 and 465,010,151.32 is: 641,710,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,147,927.96 : 1,181,477,647.02 = 465,010,151.32 : x
  2. Step 2: Convert to fraction form
    856,147,927.96/1,181,477,647.02 = 465,010,151.32/x
  3. Step 3: Cross multiply
    856,147,927.96x = 1,181,477,647.02 × 465,010,151.32
  4. Step 4: Simplify right side
    856,147,927.96x = 549,399,099,421,967,744
  5. Step 5: Solve for x
    x = 549,399,099,421,967,744/856,147,927.96
  6. Step 6: Final answer
    x = 641,710,481.89

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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.