Finding the Fourth Proportional to 988,313,082.96, 1,482,582,117.84 and 358,341,815.23
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Solution
The fourth proportional to 988,313,082.96, 1,482,582,117.84 and 358,341,815.23 is: 537,553,510.62
Step by Step Solution
- Step 1: Write the proportion equation
988,313,082.96 : 1,482,582,117.84 = 358,341,815.23 : x - Step 2: Convert to fraction form
988,313,082.96/1,482,582,117.84 = 358,341,815.23/x - Step 3: Cross multiply
988,313,082.96x = 1,482,582,117.84 × 358,341,815.23 - Step 4: Simplify right side
988,313,082.96x = 531,271,167,334,323,392 - Step 5: Solve for x
x = 531,271,167,334,323,392/988,313,082.96 - Step 6: Final answer
x = 537,553,510.62
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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.