Finding the Fourth Proportional to 1,887,681,008.68, 2,831,530,469.46 and 577,580,971.48
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Solution
The fourth proportional to 1,887,681,008.68, 2,831,530,469.46 and 577,580,971.48 is: 866,374,197.66
Step by Step Solution
- Step 1: Write the proportion equation
1,887,681,008.68 : 2,831,530,469.46 = 577,580,971.48 : x - Step 2: Convert to fraction form
1,887,681,008.68/2,831,530,469.46 = 577,580,971.48/x - Step 3: Cross multiply
1,887,681,008.68x = 2,831,530,469.46 × 577,580,971.48 - Step 4: Simplify right side
1,887,681,008.68x = 1,635,438,119,325,927,424 - Step 5: Solve for x
x = 1,635,438,119,325,927,424/1,887,681,008.68 - Step 6: Final answer
x = 866,374,197.66
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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.