Finding the Fourth Proportional to 875,191,063.70, 1,207,767,306.73 and 473,304,812.41
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Solution
The fourth proportional to 875,191,063.70, 1,207,767,306.73 and 473,304,812.41 is: 653,162,609.01
Step by Step Solution
- Step 1: Write the proportion equation
875,191,063.70 : 1,207,767,306.73 = 473,304,812.41 : x - Step 2: Convert to fraction form
875,191,063.70/1,207,767,306.73 = 473,304,812.41/x - Step 3: Cross multiply
875,191,063.70x = 1,207,767,306.73 × 473,304,812.41 - Step 4: Simplify right side
875,191,063.70x = 571,642,078,547,999,232 - Step 5: Solve for x
x = 571,642,078,547,999,232/875,191,063.70 - Step 6: Final answer
x = 653,162,609.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.