Finding the Fourth Proportional to 1,554,671,304.44, 2,332,006,956.84 and 519,532,185.44
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Solution
The fourth proportional to 1,554,671,304.44, 2,332,006,956.84 and 519,532,185.44 is: 779,298,278.22
Step by Step Solution
- Step 1: Write the proportion equation
1,554,671,304.44 : 2,332,006,956.84 = 519,532,185.44 : x - Step 2: Convert to fraction form
1,554,671,304.44/2,332,006,956.84 = 519,532,185.44/x - Step 3: Cross multiply
1,554,671,304.44x = 2,332,006,956.84 × 519,532,185.44 - Step 4: Simplify right side
1,554,671,304.44x = 1,211,552,670,748,369,152 - Step 5: Solve for x
x = 1,211,552,670,748,369,152/1,554,671,304.44 - Step 6: Final answer
x = 779,298,278.22
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Double scale
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1.5x scale
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.