Finding the Fourth Proportional to 307,692,840.68, 424,599,298.02 and 168,436,662.76
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Solution
The fourth proportional to 307,692,840.68, 424,599,298.02 and 168,436,662.76 is: 232,433,385.87
Step by Step Solution
- Step 1: Write the proportion equation
307,692,840.68 : 424,599,298.02 = 168,436,662.76 : x - Step 2: Convert to fraction form
307,692,840.68/424,599,298.02 = 168,436,662.76/x - Step 3: Cross multiply
307,692,840.68x = 424,599,298.02 × 168,436,662.76 - Step 4: Simplify right side
307,692,840.68x = 71,518,088,768,727,472 - Step 5: Solve for x
x = 71,518,088,768,727,472/307,692,840.68 - Step 6: Final answer
x = 232,433,385.87
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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.