Finding the Fourth Proportional to 2,018,103,264.97, 3,028,699,979.12 and 913,483,853.94
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Solution
The fourth proportional to 2,018,103,264.97, 3,028,699,979.12 and 913,483,853.94 is: 1,370,925,154.02
Step by Step Solution
- Step 1: Write the proportion equation
2,018,103,264.97 : 3,028,699,979.12 = 913,483,853.94 : x - Step 2: Convert to fraction form
2,018,103,264.97/3,028,699,979.12 = 913,483,853.94/x - Step 3: Cross multiply
2,018,103,264.97x = 3,028,699,979.12 × 913,483,853.94 - Step 4: Simplify right side
2,018,103,264.97x = 2,766,668,529,364,390,400 - Step 5: Solve for x
x = 2,766,668,529,364,390,400/2,018,103,264.97 - Step 6: Final answer
x = 1,370,925,154.02
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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.