Finding the Fourth Proportional to 1,408,612,943.41, 2,113,328,356.47 and 567,821,779.08
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Solution
The fourth proportional to 1,408,612,943.41, 2,113,328,356.47 and 567,821,779.08 is: 851,897,515.75
Step by Step Solution
- Step 1: Write the proportion equation
1,408,612,943.41 : 2,113,328,356.47 = 567,821,779.08 : x - Step 2: Convert to fraction form
1,408,612,943.41/2,113,328,356.47 = 567,821,779.08/x - Step 3: Cross multiply
1,408,612,943.41x = 2,113,328,356.47 × 567,821,779.08 - Step 4: Simplify right side
1,408,612,943.41x = 1,199,993,867,151,008,000 - Step 5: Solve for x
x = 1,199,993,867,151,008,000/1,408,612,943.41 - Step 6: Final answer
x = 851,897,515.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.