Home / 856,106,411.36-1,181,432,894.30-464,965,835.36

Finding the Fourth Proportional to 856,106,411.36, 1,181,432,894.30 and 464,965,835.36

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Solution

The fourth proportional to 856,106,411.36, 1,181,432,894.30 and 464,965,835.36 is: 641,656,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,106,411.36 : 1,181,432,894.30 = 464,965,835.36 : x
  2. Step 2: Convert to fraction form
    856,106,411.36/1,181,432,894.30 = 464,965,835.36/x
  3. Step 3: Cross multiply
    856,106,411.36x = 1,181,432,894.30 × 464,965,835.36
  4. Step 4: Simplify right side
    856,106,411.36x = 549,325,932,619,982,080
  5. Step 5: Solve for x
    x = 549,325,932,619,982,080/856,106,411.36
  6. Step 6: Final answer
    x = 641,656,136.82

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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.