Finding the Fourth Proportional to 514,475,359, 709,982,452.62 and 279,529,943.08
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Solution
The fourth proportional to 514,475,359, 709,982,452.62 and 279,529,943.08 is: 385,754,829.84
Step by Step Solution
- Step 1: Write the proportion equation
514,475,359 : 709,982,452.62 = 279,529,943.08 : x - Step 2: Convert to fraction form
514,475,359/709,982,452.62 = 279,529,943.08/x - Step 3: Cross multiply
514,475,359x = 709,982,452.62 × 279,529,943.08 - Step 4: Simplify right side
514,475,359x = 198,461,354,568,667,392 - Step 5: Solve for x
x = 198,461,354,568,667,392/514,475,359 - Step 6: Final answer
x = 385,754,829.84
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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.