Finding the Fourth Proportional to 1,887,684,814.78, 2,831,640,720.98 and 577,598,217.36
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Solution
The fourth proportional to 1,887,684,814.78, 2,831,640,720.98 and 577,598,217.36 is: 866,432,054.67
Step by Step Solution
- Step 1: Write the proportion equation
1,887,684,814.78 : 2,831,640,720.98 = 577,598,217.36 : x - Step 2: Convert to fraction form
1,887,684,814.78/2,831,640,720.98 = 577,598,217.36/x - Step 3: Cross multiply
1,887,684,814.78x = 2,831,640,720.98 × 577,598,217.36 - Step 4: Simplify right side
1,887,684,814.78x = 1,635,550,632,642,033,152 - Step 5: Solve for x
x = 1,635,550,632,642,033,152/1,887,684,814.78 - Step 6: Final answer
x = 866,432,054.67
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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.