Finding the Fourth Proportional to 472,392,487.09, 708,588,730.65 and 472,392,487.09
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Solution
The fourth proportional to 472,392,487.09, 708,588,730.65 and 472,392,487.09 is: 708,588,730.65
Step by Step Solution
- Step 1: Write the proportion equation
472,392,487.09 : 708,588,730.65 = 472,392,487.09 : x - Step 2: Convert to fraction form
472,392,487.09/708,588,730.65 = 472,392,487.09/x - Step 3: Cross multiply
472,392,487.09x = 708,588,730.65 × 472,392,487.09 - Step 4: Simplify right side
472,392,487.09x = 334,731,992,795,699,584 - Step 5: Solve for x
x = 334,731,992,795,699,584/472,392,487.09 - Step 6: Final answer
x = 708,588,730.65
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Similar ratio
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1.5x scale
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.