Finding the Fourth Proportional to 346,956,292.26, 478,795,216.44 and 198,275,710.74
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Solution
The fourth proportional to 346,956,292.26, 478,795,216.44 and 198,275,710.74 is: 273,617,928.13
Step by Step Solution
- Step 1: Write the proportion equation
346,956,292.26 : 478,795,216.44 = 198,275,710.74 : x - Step 2: Convert to fraction form
346,956,292.26/478,795,216.44 = 198,275,710.74/x - Step 3: Cross multiply
346,956,292.26x = 478,795,216.44 × 198,275,710.74 - Step 4: Simplify right side
346,956,292.26x = 94,933,461,838,553,136 - Step 5: Solve for x
x = 94,933,461,838,553,136/346,956,292.26 - Step 6: Final answer
x = 273,617,928.13
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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.