Finding the Fourth Proportional to 9,787,492,542,644.40, 13,506,753,103,868 and 5,337,944,315,370.80
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Solution
The fourth proportional to 9,787,492,542,644.40, 13,506,753,103,868 and 5,337,944,315,370.80 is: 7,366,370,460,643.99
Step by Step Solution
- Step 1: Write the proportion equation
9,787,492,542,644.40 : 13,506,753,103,868 = 5,337,944,315,370.80 : x - Step 2: Convert to fraction form
9,787,492,542,644.40/13,506,753,103,868 = 5,337,944,315,370.80/x - Step 3: Cross multiply
9,787,492,542,644.40x = 13,506,753,103,868 × 5,337,944,315,370.80 - Step 4: Simplify right side
9,787,492,542,644.40x = 72,098,295,949,909,093,290,868,736 - Step 5: Solve for x
x = 72,098,295,949,909,093,290,868,736/9,787,492,542,644.40 - Step 6: Final answer
x = 7,366,370,460,643.99
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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.