Finding the Fourth Proportional to 2,578,409,219.16, 3,867,609,001.10 and 807,915,478.14
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Solution
The fourth proportional to 2,578,409,219.16, 3,867,609,001.10 and 807,915,478.14 is: 1,211,871,704.52
Step by Step Solution
- Step 1: Write the proportion equation
2,578,409,219.16 : 3,867,609,001.10 = 807,915,478.14 : x - Step 2: Convert to fraction form
2,578,409,219.16/3,867,609,001.10 = 807,915,478.14/x - Step 3: Cross multiply
2,578,409,219.16x = 3,867,609,001.10 × 807,915,478.14 - Step 4: Simplify right side
2,578,409,219.16x = 3,124,701,175,378,234,368 - Step 5: Solve for x
x = 3,124,701,175,378,234,368/2,578,409,219.16 - Step 6: Final answer
x = 1,211,871,704.52
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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.