Finding the Fourth Proportional to 434,643,980.84, 599,754,252.63 and 293,821,602.71
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Solution
The fourth proportional to 434,643,980.84, 599,754,252.63 and 293,821,602.71 is: 405,437,009.39
Step by Step Solution
- Step 1: Write the proportion equation
434,643,980.84 : 599,754,252.63 = 293,821,602.71 : x - Step 2: Convert to fraction form
434,643,980.84/599,754,252.63 = 293,821,602.71/x - Step 3: Cross multiply
434,643,980.84x = 599,754,252.63 × 293,821,602.71 - Step 4: Simplify right side
434,643,980.84x = 176,220,755,739,884,832 - Step 5: Solve for x
x = 176,220,755,739,884,832/434,643,980.84 - Step 6: Final answer
x = 405,437,009.39
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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.