Finding the Fourth Proportional to 988,313,081.96, 1,482,582,116.34 and 358,341,814.23
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Solution
The fourth proportional to 988,313,081.96, 1,482,582,116.34 and 358,341,814.23 is: 537,553,509.12
Step by Step Solution
- Step 1: Write the proportion equation
988,313,081.96 : 1,482,582,116.34 = 358,341,814.23 : x - Step 2: Convert to fraction form
988,313,081.96/1,482,582,116.34 = 358,341,814.23/x - Step 3: Cross multiply
988,313,081.96x = 1,482,582,116.34 × 358,341,814.23 - Step 4: Simplify right side
988,313,081.96x = 531,271,165,314,228,544 - Step 5: Solve for x
x = 531,271,165,314,228,544/988,313,081.96 - Step 6: Final answer
x = 537,553,509.12
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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.