Finding the Fourth Proportional to 2,819,523,847.99, 3,890,714,796.06 and 1,630,169,125.15
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Solution
The fourth proportional to 2,819,523,847.99, 3,890,714,796.06 and 1,630,169,125.15 is: 2,249,501,503.53
Step by Step Solution
- Step 1: Write the proportion equation
2,819,523,847.99 : 3,890,714,796.06 = 1,630,169,125.15 : x - Step 2: Convert to fraction form
2,819,523,847.99/3,890,714,796.06 = 1,630,169,125.15/x - Step 3: Cross multiply
2,819,523,847.99x = 3,890,714,796.06 × 1,630,169,125.15 - Step 4: Simplify right side
2,819,523,847.99x = 6,342,523,135,301,291,008 - Step 5: Solve for x
x = 6,342,523,135,301,291,008/2,819,523,847.99 - Step 6: Final answer
x = 2,249,501,503.53
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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.