Finding the Fourth Proportional to 598,351,528.17, 896,813,225.78 and 278,487,678.63
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Solution
The fourth proportional to 598,351,528.17, 896,813,225.78 and 278,487,678.63 is: 417,399,173.65
Step by Step Solution
- Step 1: Write the proportion equation
598,351,528.17 : 896,813,225.78 = 278,487,678.63 : x - Step 2: Convert to fraction form
598,351,528.17/896,813,225.78 = 278,487,678.63/x - Step 3: Cross multiply
598,351,528.17x = 896,813,225.78 × 278,487,678.63 - Step 4: Simplify right side
598,351,528.17x = 249,751,433,412,850,496 - Step 5: Solve for x
x = 249,751,433,412,850,496/598,351,528.17 - Step 6: Final answer
x = 417,399,173.65
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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.