Finding the Fourth Proportional to 700,135,332.70, 966,186,439.86 and 386,866,806.44
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Solution
The fourth proportional to 700,135,332.70, 966,186,439.86 and 386,866,806.44 is: 533,876,016.47
Step by Step Solution
- Step 1: Write the proportion equation
700,135,332.70 : 966,186,439.86 = 386,866,806.44 : x - Step 2: Convert to fraction form
700,135,332.70/966,186,439.86 = 386,866,806.44/x - Step 3: Cross multiply
700,135,332.70x = 966,186,439.86 × 386,866,806.44 - Step 4: Simplify right side
700,135,332.70x = 373,785,462,414,271,296 - Step 5: Solve for x
x = 373,785,462,414,271,296/700,135,332.70 - Step 6: Final answer
x = 533,876,016.47
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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.