Home / 1,137,946,164.50-1,570,618,336.20-691,814,730.62

Finding the Fourth Proportional to 1,137,946,164.50, 1,570,618,336.20 and 691,814,730.62

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Solution

The fourth proportional to 1,137,946,164.50, 1,570,618,336.20 and 691,814,730.62 is: 954,857,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,946,164.50 : 1,570,618,336.20 = 691,814,730.62 : x
  2. Step 2: Convert to fraction form
    1,137,946,164.50/1,570,618,336.20 = 691,814,730.62/x
  3. Step 3: Cross multiply
    1,137,946,164.50x = 1,570,618,336.20 × 691,814,730.62
  4. Step 4: Simplify right side
    1,137,946,164.50x = 1,086,576,901,166,333,056
  5. Step 5: Solve for x
    x = 1,086,576,901,166,333,056/1,137,946,164.50
  6. Step 6: Final answer
    x = 954,857,914.25

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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.