Finding the Fourth Proportional to 431,569,206.55, 646,609,792.42 and 201,065,530.15
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Solution
The fourth proportional to 431,569,206.55, 646,609,792.42 and 201,065,530.15 is: 301,251,661.93
Step by Step Solution
- Step 1: Write the proportion equation
431,569,206.55 : 646,609,792.42 = 201,065,530.15 : x - Step 2: Convert to fraction form
431,569,206.55/646,609,792.42 = 201,065,530.15/x - Step 3: Cross multiply
431,569,206.55x = 646,609,792.42 × 201,065,530.15 - Step 4: Simplify right side
431,569,206.55x = 130,010,940,713,108,752 - Step 5: Solve for x
x = 130,010,940,713,108,752/431,569,206.55 - Step 6: Final answer
x = 301,251,661.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.