Finding the Fourth Proportional to 9,937,943,943.20, 14,894,255,809.20 and 5,282,048,391.20
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Solution
The fourth proportional to 9,937,943,943.20, 14,894,255,809.20 and 5,282,048,391.20 is: 7,916,343,700.95
Step by Step Solution
- Step 1: Write the proportion equation
9,937,943,943.20 : 14,894,255,809.20 = 5,282,048,391.20 : x - Step 2: Convert to fraction form
9,937,943,943.20/14,894,255,809.20 = 5,282,048,391.20/x - Step 3: Cross multiply
9,937,943,943.20x = 14,894,255,809.20 × 5,282,048,391.20 - Step 4: Simplify right side
9,937,943,943.20x = 78,672,179,935,106,121,728 - Step 5: Solve for x
x = 78,672,179,935,106,121,728/9,937,943,943.20 - Step 6: Final answer
x = 7,916,343,700.95
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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.