Finding the Fourth Proportional to 479,646,380.51, 719,538,202.35 and 147,681,478.28
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Solution
The fourth proportional to 479,646,380.51, 719,538,202.35 and 147,681,478.28 is: 221,543,348.84
Step by Step Solution
- Step 1: Write the proportion equation
479,646,380.51 : 719,538,202.35 = 147,681,478.28 : x - Step 2: Convert to fraction form
479,646,380.51/719,538,202.35 = 147,681,478.28/x - Step 3: Cross multiply
479,646,380.51x = 719,538,202.35 × 147,681,478.28 - Step 4: Simplify right side
479,646,380.51x = 106,262,465,398,384,080 - Step 5: Solve for x
x = 106,262,465,398,384,080/479,646,380.51 - Step 6: Final answer
x = 221,543,348.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.