Finding the Fourth Proportional to 452,724,743.76, 679,086,268.01 and 141,856,158.14
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Solution
The fourth proportional to 452,724,743.76, 679,086,268.01 and 141,856,158.14 is: 212,783,971.61
Step by Step Solution
- Step 1: Write the proportion equation
452,724,743.76 : 679,086,268.01 = 141,856,158.14 : x - Step 2: Convert to fraction form
452,724,743.76/679,086,268.01 = 141,856,158.14/x - Step 3: Cross multiply
452,724,743.76x = 679,086,268.01 × 141,856,158.14 - Step 4: Simplify right side
452,724,743.76x = 96,332,569,025,528,976 - Step 5: Solve for x
x = 96,332,569,025,528,976/452,724,743.76 - Step 6: Final answer
x = 212,783,971.61
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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.