Finding the Fourth Proportional to 472,392,372.70, 708,588,559.05 and 411,926,196.70
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Solution
The fourth proportional to 472,392,372.70, 708,588,559.05 and 411,926,196.70 is: 617,889,295.05
Step by Step Solution
- Step 1: Write the proportion equation
472,392,372.70 : 708,588,559.05 = 411,926,196.70 : x - Step 2: Convert to fraction form
472,392,372.70/708,588,559.05 = 411,926,196.70/x - Step 3: Cross multiply
472,392,372.70x = 708,588,559.05 × 411,926,196.70 - Step 4: Simplify right side
472,392,372.70x = 291,886,190,154,599,808 - Step 5: Solve for x
x = 291,886,190,154,599,808/472,392,372.70 - Step 6: Final answer
x = 617,889,295.05
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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.