Finding the Fourth Proportional to 1,887,681,007.18, 2,831,530,467.21 and 577,580,969.98
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Solution
The fourth proportional to 1,887,681,007.18, 2,831,530,467.21 and 577,580,969.98 is: 866,374,195.41
Step by Step Solution
- Step 1: Write the proportion equation
1,887,681,007.18 : 2,831,530,467.21 = 577,580,969.98 : x - Step 2: Convert to fraction form
1,887,681,007.18/2,831,530,467.21 = 577,580,969.98/x - Step 3: Cross multiply
1,887,681,007.18x = 2,831,530,467.21 × 577,580,969.98 - Step 4: Simplify right side
1,887,681,007.18x = 1,635,438,113,779,074,560 - Step 5: Solve for x
x = 1,635,438,113,779,074,560/1,887,681,007.18 - Step 6: Final answer
x = 866,374,195.41
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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.