Finding the Fourth Proportional to 1,209,326,075,214.60, 1,668,920,684,427.60 and 695,492,270,874.08
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Solution
The fourth proportional to 1,209,326,075,214.60, 1,668,920,684,427.60 and 695,492,270,874.08 is: 959,808,492,110.20
Step by Step Solution
- Step 1: Write the proportion equation
1,209,326,075,214.60 : 1,668,920,684,427.60 = 695,492,270,874.08 : x - Step 2: Convert to fraction form
1,209,326,075,214.60/1,668,920,684,427.60 = 695,492,270,874.08/x - Step 3: Cross multiply
1,209,326,075,214.60x = 1,668,920,684,427.60 × 695,492,270,874.08 - Step 4: Simplify right side
1,209,326,075,214.60x = 1,160,721,436,721,275,337,703,424 - Step 5: Solve for x
x = 1,160,721,436,721,275,337,703,424/1,209,326,075,214.60 - Step 6: Final answer
x = 959,808,492,110.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.