Finding the Fourth Proportional to 472,392,480.09, 708,588,720.15 and 472,392,480.09
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Solution
The fourth proportional to 472,392,480.09, 708,588,720.15 and 472,392,480.09 is: 708,588,720.15
Step by Step Solution
- Step 1: Write the proportion equation
472,392,480.09 : 708,588,720.15 = 472,392,480.09 : x - Step 2: Convert to fraction form
472,392,480.09/708,588,720.15 = 472,392,480.09/x - Step 3: Cross multiply
472,392,480.09x = 708,588,720.15 × 472,392,480.09 - Step 4: Simplify right side
472,392,480.09x = 334,731,982,875,457,408 - Step 5: Solve for x
x = 334,731,982,875,457,408/472,392,480.09 - Step 6: Final answer
x = 708,588,720.15
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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.