Finding the Fourth Proportional to 9,421,264,809.82, 13,001,345,510.63 and 5,192,176,746.12
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Solution
The fourth proportional to 9,421,264,809.82, 13,001,345,510.63 and 5,192,176,746.12 is: 7,165,203,949.92
Step by Step Solution
- Step 1: Write the proportion equation
9,421,264,809.82 : 13,001,345,510.63 = 5,192,176,746.12 : x - Step 2: Convert to fraction form
9,421,264,809.82/13,001,345,510.63 = 5,192,176,746.12/x - Step 3: Cross multiply
9,421,264,809.82x = 13,001,345,510.63 × 5,192,176,746.12 - Step 4: Simplify right side
9,421,264,809.82x = 67,505,283,828,564,738,048 - Step 5: Solve for x
x = 67,505,283,828,564,738,048/9,421,264,809.82 - Step 6: Final answer
x = 7,165,203,949.92
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1.5x scale
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.