Finding the Fourth Proportional to 434,643,977.84, 599,754,248.49 and 293,821,599.71
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Solution
The fourth proportional to 434,643,977.84, 599,754,248.49 and 293,821,599.71 is: 405,437,005.25
Step by Step Solution
- Step 1: Write the proportion equation
434,643,977.84 : 599,754,248.49 = 293,821,599.71 : x - Step 2: Convert to fraction form
434,643,977.84/599,754,248.49 = 293,821,599.71/x - Step 3: Cross multiply
434,643,977.84x = 599,754,248.49 × 293,821,599.71 - Step 4: Simplify right side
434,643,977.84x = 176,220,752,721,771,040 - Step 5: Solve for x
x = 176,220,752,721,771,040/434,643,977.84 - Step 6: Final answer
x = 405,437,005.25
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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.