Finding the Fourth Proportional to 443,417,242.68, 611,889,503.15 and 245,163,177.63
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Solution
The fourth proportional to 443,417,242.68, 611,889,503.15 and 245,163,177.63 is: 338,310,648.55
Step by Step Solution
- Step 1: Write the proportion equation
443,417,242.68 : 611,889,503.15 = 245,163,177.63 : x - Step 2: Convert to fraction form
443,417,242.68/611,889,503.15 = 245,163,177.63/x - Step 3: Cross multiply
443,417,242.68x = 611,889,503.15 × 245,163,177.63 - Step 4: Simplify right side
443,417,242.68x = 150,012,774,951,308,800 - Step 5: Solve for x
x = 150,012,774,951,308,800/443,417,242.68 - Step 6: Final answer
x = 338,310,648.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.