Finding the Fourth Proportional to 2,117,046,657.41, 3,175,931,768.19 and 872,796,951.07
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Solution
The fourth proportional to 2,117,046,657.41, 3,175,931,768.19 and 872,796,951.07 is: 1,309,344,578.86
Step by Step Solution
- Step 1: Write the proportion equation
2,117,046,657.41 : 3,175,931,768.19 = 872,796,951.07 : x - Step 2: Convert to fraction form
2,117,046,657.41/3,175,931,768.19 = 872,796,951.07/x - Step 3: Cross multiply
2,117,046,657.41x = 3,175,931,768.19 × 872,796,951.07 - Step 4: Simplify right side
2,117,046,657.41x = 2,771,943,564,074,646,016 - Step 5: Solve for x
x = 2,771,943,564,074,646,016/2,117,046,657.41 - Step 6: Final answer
x = 1,309,344,578.86
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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.