Finding the Fourth Proportional to 1,423,492,053.60, 2,136,513,538.80 and 1,229,622,376.80
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Solution
The fourth proportional to 1,423,492,053.60, 2,136,513,538.80 and 1,229,622,376.80 is: 1,845,535,315.07
Step by Step Solution
- Step 1: Write the proportion equation
1,423,492,053.60 : 2,136,513,538.80 = 1,229,622,376.80 : x - Step 2: Convert to fraction form
1,423,492,053.60/2,136,513,538.80 = 1,229,622,376.80/x - Step 3: Cross multiply
1,423,492,053.60x = 2,136,513,538.80 × 1,229,622,376.80 - Step 4: Simplify right side
1,423,492,053.60x = 2,627,104,855,644,634,624 - Step 5: Solve for x
x = 2,627,104,855,644,634,624/1,423,492,053.60 - Step 6: Final answer
x = 1,845,535,315.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.