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Finding the Fourth Proportional to 1,099,563,323.70, 1,649,344,985.55 and 988,598,442.90

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Solution

The fourth proportional to 1,099,563,323.70, 1,649,344,985.55 and 988,598,442.90 is: 1,482,897,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,563,323.70 : 1,649,344,985.55 = 988,598,442.90 : x
  2. Step 2: Convert to fraction form
    1,099,563,323.70/1,649,344,985.55 = 988,598,442.90/x
  3. Step 3: Cross multiply
    1,099,563,323.70x = 1,649,344,985.55 × 988,598,442.90
  4. Step 4: Simplify right side
    1,099,563,323.70x = 1,630,539,884,519,652,864
  5. Step 5: Solve for x
    x = 1,630,539,884,519,652,864/1,099,563,323.70
  6. Step 6: Final answer
    x = 1,482,897,664.35

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Double scale
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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.