Finding the Fourth Proportional to 4,680,655,277.99, 6,459,302,729.16 and 2,566,065,821.45
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Solution
The fourth proportional to 4,680,655,277.99, 6,459,302,729.16 and 2,566,065,821.45 is: 3,541,169,981.40
Step by Step Solution
- Step 1: Write the proportion equation
4,680,655,277.99 : 6,459,302,729.16 = 2,566,065,821.45 : x - Step 2: Convert to fraction form
4,680,655,277.99/6,459,302,729.16 = 2,566,065,821.45/x - Step 3: Cross multiply
4,680,655,277.99x = 6,459,302,729.16 × 2,566,065,821.45 - Step 4: Simplify right side
4,680,655,277.99x = 16,574,995,963,663,886,336 - Step 5: Solve for x
x = 16,574,995,963,663,886,336/4,680,655,277.99 - Step 6: Final answer
x = 3,541,169,981.40
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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.