Finding the Fourth Proportional to 3,854,063,408.22, 5,318,607,495.60 and 2,183,312,547.18
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Solution
The fourth proportional to 3,854,063,408.22, 5,318,607,495.60 and 2,183,312,547.18 is: 3,012,971,310.72
Step by Step Solution
- Step 1: Write the proportion equation
3,854,063,408.22 : 5,318,607,495.60 = 2,183,312,547.18 : x - Step 2: Convert to fraction form
3,854,063,408.22/5,318,607,495.60 = 2,183,312,547.18/x - Step 3: Cross multiply
3,854,063,408.22x = 5,318,607,495.60 × 2,183,312,547.18 - Step 4: Simplify right side
3,854,063,408.22x = 11,612,182,478,669,076,480 - Step 5: Solve for x
x = 11,612,182,478,669,076,480/3,854,063,408.22 - Step 6: Final answer
x = 3,012,971,310.72
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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.