Home / 440,037,838.35-660,056,879.84-163,652,940.72

Finding the Fourth Proportional to 440,037,838.35, 660,056,879.84 and 163,652,940.72

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Solution

The fourth proportional to 440,037,838.35, 660,056,879.84 and 163,652,940.72 is: 245,479,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,037,838.35 : 660,056,879.84 = 163,652,940.72 : x
  2. Step 2: Convert to fraction form
    440,037,838.35/660,056,879.84 = 163,652,940.72/x
  3. Step 3: Cross multiply
    440,037,838.35x = 660,056,879.84 × 163,652,940.72
  4. Step 4: Simplify right side
    440,037,838.35x = 108,020,249,427,465,424
  5. Step 5: Solve for x
    x = 108,020,249,427,465,424/440,037,838.35
  6. Step 6: Final answer
    x = 245,479,456.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.