Home / 489,196,039.80-733,794,059.70-166,079,911.80

Finding the Fourth Proportional to 489,196,039.80, 733,794,059.70 and 166,079,911.80

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Solution

The fourth proportional to 489,196,039.80, 733,794,059.70 and 166,079,911.80 is: 249,119,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,196,039.80 : 733,794,059.70 = 166,079,911.80 : x
  2. Step 2: Convert to fraction form
    489,196,039.80/733,794,059.70 = 166,079,911.80/x
  3. Step 3: Cross multiply
    489,196,039.80x = 733,794,059.70 × 166,079,911.80
  4. Step 4: Simplify right side
    489,196,039.80x = 121,868,452,714,339,952
  5. Step 5: Solve for x
    x = 121,868,452,714,339,952/489,196,039.80
  6. Step 6: Final answer
    x = 249,119,867.70

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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.