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Finding the Fourth Proportional to 1,777,552,000.40, 2,666,328,000.60 and 742,068,736.40

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Solution

The fourth proportional to 1,777,552,000.40, 2,666,328,000.60 and 742,068,736.40 is: 1,113,103,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,552,000.40 : 2,666,328,000.60 = 742,068,736.40 : x
  2. Step 2: Convert to fraction form
    1,777,552,000.40/2,666,328,000.60 = 742,068,736.40/x
  3. Step 3: Cross multiply
    1,777,552,000.40x = 2,666,328,000.60 × 742,068,736.40
  4. Step 4: Simplify right side
    1,777,552,000.40x = 1,978,598,650,233,180,416
  5. Step 5: Solve for x
    x = 1,978,598,650,233,180,416/1,777,552,000.40
  6. Step 6: Final answer
    x = 1,113,103,104.60

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1.5x scale

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.