Finding the Fourth Proportional to 358,706,689.60, 537,721,486.80 and 194,702,684.80
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Solution
The fourth proportional to 358,706,689.60, 537,721,486.80 and 194,702,684.80 is: 291,870,266.68
Step by Step Solution
- Step 1: Write the proportion equation
358,706,689.60 : 537,721,486.80 = 194,702,684.80 : x - Step 2: Convert to fraction form
358,706,689.60/537,721,486.80 = 194,702,684.80/x - Step 3: Cross multiply
358,706,689.60x = 537,721,486.80 × 194,702,684.80 - Step 4: Simplify right side
358,706,689.60x = 104,695,817,154,607,760 - Step 5: Solve for x
x = 104,695,817,154,607,760/358,706,689.60 - Step 6: Final answer
x = 291,870,266.68
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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.