Finding the Fourth Proportional to 2,459,348,829.42, 3,395,377,515.33 and 1,520,809,851.66
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Solution
The fourth proportional to 2,459,348,829.42, 3,395,377,515.33 and 1,520,809,851.66 is: 2,099,630,403.64
Step by Step Solution
- Step 1: Write the proportion equation
2,459,348,829.42 : 3,395,377,515.33 = 1,520,809,851.66 : x - Step 2: Convert to fraction form
2,459,348,829.42/3,395,377,515.33 = 1,520,809,851.66/x - Step 3: Cross multiply
2,459,348,829.42x = 3,395,377,515.33 × 1,520,809,851.66 - Step 4: Simplify right side
2,459,348,829.42x = 5,163,723,575,418,717,184 - Step 5: Solve for x
x = 5,163,723,575,418,717,184/2,459,348,829.42 - Step 6: Final answer
x = 2,099,630,403.64
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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.