Finding the Fourth Proportional to 786,569,096,923.40, 1,085,453,896,132 and 439,344,316,690.92
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Solution
The fourth proportional to 786,569,096,923.40, 1,085,453,896,132 and 439,344,316,690.92 is: 606,288,757,288.99
Step by Step Solution
- Step 1: Write the proportion equation
786,569,096,923.40 : 1,085,453,896,132 = 439,344,316,690.92 : x - Step 2: Convert to fraction form
786,569,096,923.40/1,085,453,896,132 = 439,344,316,690.92/x - Step 3: Cross multiply
786,569,096,923.40x = 1,085,453,896,132 × 439,344,316,690.92 - Step 4: Simplify right side
786,569,096,923.40x = 476,888,000,295,610,378,878,976 - Step 5: Solve for x
x = 476,888,000,295,610,378,878,976/786,569,096,923.40 - Step 6: Final answer
x = 606,288,757,288.99
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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.