Home / 1,102,892,681.60-1,654,339,022.40-489,538,908.80

Finding the Fourth Proportional to 1,102,892,681.60, 1,654,339,022.40 and 489,538,908.80

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Solution

The fourth proportional to 1,102,892,681.60, 1,654,339,022.40 and 489,538,908.80 is: 734,308,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,892,681.60 : 1,654,339,022.40 = 489,538,908.80 : x
  2. Step 2: Convert to fraction form
    1,102,892,681.60/1,654,339,022.40 = 489,538,908.80/x
  3. Step 3: Cross multiply
    1,102,892,681.60x = 1,654,339,022.40 × 489,538,908.80
  4. Step 4: Simplify right side
    1,102,892,681.60x = 809,863,319,810,954,880
  5. Step 5: Solve for x
    x = 809,863,319,810,954,880/1,102,892,681.60
  6. Step 6: Final answer
    x = 734,308,363.20

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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.