Home / 856,111,267.98-1,181,439,596.43-464,970,691.98

Finding the Fourth Proportional to 856,111,267.98, 1,181,439,596.43 and 464,970,691.98

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Solution

The fourth proportional to 856,111,267.98, 1,181,439,596.43 and 464,970,691.98 is: 641,662,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,111,267.98 : 1,181,439,596.43 = 464,970,691.98 : x
  2. Step 2: Convert to fraction form
    856,111,267.98/1,181,439,596.43 = 464,970,691.98/x
  3. Step 3: Cross multiply
    856,111,267.98x = 1,181,439,596.43 × 464,970,691.98
  4. Step 4: Simplify right side
    856,111,267.98x = 549,334,786,684,629,120
  5. Step 5: Solve for x
    x = 549,334,786,684,629,120/856,111,267.98
  6. Step 6: Final answer
    x = 641,662,838.97

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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.