Finding the Fourth Proportional to 468,471,154.08, 646,490,211.12 and 259,658,686.56
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Solution
The fourth proportional to 468,471,154.08, 646,490,211.12 and 259,658,686.56 is: 358,328,997.70
Step by Step Solution
- Step 1: Write the proportion equation
468,471,154.08 : 646,490,211.12 = 259,658,686.56 : x - Step 2: Convert to fraction form
468,471,154.08/646,490,211.12 = 259,658,686.56/x - Step 3: Cross multiply
468,471,154.08x = 646,490,211.12 × 259,658,686.56 - Step 4: Simplify right side
468,471,154.08x = 167,866,799,093,316,320 - Step 5: Solve for x
x = 167,866,799,093,316,320/468,471,154.08 - Step 6: Final answer
x = 358,328,997.70
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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.