Finding the Fourth Proportional to 1,408,612,948.12, 2,113,328,363.55 and 567,821,783.80
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Solution
The fourth proportional to 1,408,612,948.12, 2,113,328,363.55 and 567,821,783.80 is: 851,897,522.84
Step by Step Solution
- Step 1: Write the proportion equation
1,408,612,948.12 : 2,113,328,363.55 = 567,821,783.80 : x - Step 2: Convert to fraction form
1,408,612,948.12/2,113,328,363.55 = 567,821,783.80/x - Step 3: Cross multiply
1,408,612,948.12x = 2,113,328,363.55 × 567,821,783.80 - Step 4: Simplify right side
1,408,612,948.12x = 1,199,993,881,146,095,872 - Step 5: Solve for x
x = 1,199,993,881,146,095,872/1,408,612,948.12 - Step 6: Final answer
x = 851,897,522.84
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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.