Finding the Fourth Proportional to 1,115,342,206.02, 1,539,163,733.04 and 613,540,184.53
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Solution
The fourth proportional to 1,115,342,206.02, 1,539,163,733.04 and 613,540,184.53 is: 846,680,772.68
Step by Step Solution
- Step 1: Write the proportion equation
1,115,342,206.02 : 1,539,163,733.04 = 613,540,184.53 : x - Step 2: Convert to fraction form
1,115,342,206.02/1,539,163,733.04 = 613,540,184.53/x - Step 3: Cross multiply
1,115,342,206.02x = 1,539,163,733.04 × 613,540,184.53 - Step 4: Simplify right side
1,115,342,206.02x = 944,338,800,791,245,184 - Step 5: Solve for x
x = 944,338,800,791,245,184/1,115,342,206.02 - Step 6: Final answer
x = 846,680,772.68
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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.