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Finding the Fourth Proportional to 1,194,589,026.04, 1,648,448,675.67 and 665,929,627.60

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Solution

The fourth proportional to 1,194,589,026.04, 1,648,448,675.67 and 665,929,627.60 is: 918,935,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,589,026.04 : 1,648,448,675.67 = 665,929,627.60 : x
  2. Step 2: Convert to fraction form
    1,194,589,026.04/1,648,448,675.67 = 665,929,627.60/x
  3. Step 3: Cross multiply
    1,194,589,026.04x = 1,648,448,675.67 × 665,929,627.60
  4. Step 4: Simplify right side
    1,194,589,026.04x = 1,097,750,812,706,636,416
  5. Step 5: Solve for x
    x = 1,097,750,812,706,636,416/1,194,589,026.04
  6. Step 6: Final answer
    x = 918,935,959.38

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Double scale
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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.