Finding the Fourth Proportional to 351,353,669.47, 484,868,069.09 and 194,730,865.53
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Solution
The fourth proportional to 351,353,669.47, 484,868,069.09 and 194,730,865.53 is: 268,728,597.33
Step by Step Solution
- Step 1: Write the proportion equation
351,353,669.47 : 484,868,069.09 = 194,730,865.53 : x - Step 2: Convert to fraction form
351,353,669.47/484,868,069.09 = 194,730,865.53/x - Step 3: Cross multiply
351,353,669.47x = 484,868,069.09 × 194,730,865.53 - Step 4: Simplify right side
351,353,669.47x = 94,418,778,764,877,648 - Step 5: Solve for x
x = 94,418,778,764,877,648/351,353,669.47 - Step 6: Final answer
x = 268,728,597.33
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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.