Finding the Fourth Proportional to 325,926,518.30, 488,889,777.45 and 249,399,014.30
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Solution
The fourth proportional to 325,926,518.30, 488,889,777.45 and 249,399,014.30 is: 374,098,521.45
Step by Step Solution
- Step 1: Write the proportion equation
325,926,518.30 : 488,889,777.45 = 249,399,014.30 : x - Step 2: Convert to fraction form
325,926,518.30/488,889,777.45 = 249,399,014.30/x - Step 3: Cross multiply
325,926,518.30x = 488,889,777.45 × 249,399,014.30 - Step 4: Simplify right side
325,926,518.30x = 121,928,628,597,376,368 - Step 5: Solve for x
x = 121,928,628,597,376,368/325,926,518.30 - Step 6: Final answer
x = 374,098,521.45
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1.5x scale
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.