Finding the Fourth Proportional to 943,102,370.10, 1,414,653,555.21 and 426,541,718.10
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Solution
The fourth proportional to 943,102,370.10, 1,414,653,555.21 and 426,541,718.10 is: 639,812,577.18
Step by Step Solution
- Step 1: Write the proportion equation
943,102,370.10 : 1,414,653,555.21 = 426,541,718.10 : x - Step 2: Convert to fraction form
943,102,370.10/1,414,653,555.21 = 426,541,718.10/x - Step 3: Cross multiply
943,102,370.10x = 1,414,653,555.21 × 426,541,718.10 - Step 4: Simplify right side
943,102,370.10x = 603,408,757,955,546,624 - Step 5: Solve for x
x = 603,408,757,955,546,624/943,102,370.10 - Step 6: Final answer
x = 639,812,577.18
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Double scale
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Similar ratio
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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.