Home / 1,183,310,913.60-1,632,909,310.08-647,450,980.80

Finding the Fourth Proportional to 1,183,310,913.60, 1,632,909,310.08 and 647,450,980.80

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Solution

The fourth proportional to 1,183,310,913.60, 1,632,909,310.08 and 647,450,980.80 is: 893,449,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,310,913.60 : 1,632,909,310.08 = 647,450,980.80 : x
  2. Step 2: Convert to fraction form
    1,183,310,913.60/1,632,909,310.08 = 647,450,980.80/x
  3. Step 3: Cross multiply
    1,183,310,913.60x = 1,632,909,310.08 × 647,450,980.80
  4. Step 4: Simplify right side
    1,183,310,913.60x = 1,057,228,734,368,747,136
  5. Step 5: Solve for x
    x = 1,057,228,734,368,747,136/1,183,310,913.60
  6. Step 6: Final answer
    x = 893,449,660.79

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Double scale
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1.5x scale

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.