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Finding the Fourth Proportional to 1,181,952,922.80, 1,772,929,384.20 and 746,596,455.60

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Solution

The fourth proportional to 1,181,952,922.80, 1,772,929,384.20 and 746,596,455.60 is: 1,119,894,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,952,922.80 : 1,772,929,384.20 = 746,596,455.60 : x
  2. Step 2: Convert to fraction form
    1,181,952,922.80/1,772,929,384.20 = 746,596,455.60/x
  3. Step 3: Cross multiply
    1,181,952,922.80x = 1,772,929,384.20 × 746,596,455.60
  4. Step 4: Simplify right side
    1,181,952,922.80x = 1,323,662,794,272,810,752
  5. Step 5: Solve for x
    x = 1,323,662,794,272,810,752/1,181,952,922.80
  6. Step 6: Final answer
    x = 1,119,894,683.40

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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.