Finding the Fourth Proportional to 1,487,655,971.83, 2,231,483,625.60 and 542,324,929.84
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Solution
The fourth proportional to 1,487,655,971.83, 2,231,483,625.60 and 542,324,929.84 is: 813,487,273.68
Step by Step Solution
- Step 1: Write the proportion equation
1,487,655,971.83 : 2,231,483,625.60 = 542,324,929.84 : x - Step 2: Convert to fraction form
1,487,655,971.83/2,231,483,625.60 = 542,324,929.84/x - Step 3: Cross multiply
1,487,655,971.83x = 2,231,483,625.60 × 542,324,929.84 - Step 4: Simplify right side
1,487,655,971.83x = 1,210,189,200,701,694,208 - Step 5: Solve for x
x = 1,210,189,200,701,694,208/1,487,655,971.83 - Step 6: Final answer
x = 813,487,273.68
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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.