Finding the Fourth Proportional to 2,486,849,865.19, 3,430,613,888.48 and 1,482,559,776.72
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Solution
The fourth proportional to 2,486,849,865.19, 3,430,613,888.48 and 1,482,559,776.72 is: 2,045,193,894.38
Step by Step Solution
- Step 1: Write the proportion equation
2,486,849,865.19 : 3,430,613,888.48 = 1,482,559,776.72 : x - Step 2: Convert to fraction form
2,486,849,865.19/3,430,613,888.48 = 1,482,559,776.72/x - Step 3: Cross multiply
2,486,849,865.19x = 3,430,613,888.48 × 1,482,559,776.72 - Step 4: Simplify right side
2,486,849,865.19x = 5,086,090,160,521,146,368 - Step 5: Solve for x
x = 5,086,090,160,521,146,368/2,486,849,865.19 - Step 6: Final answer
x = 2,045,193,894.38
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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.