Finding the Fourth Proportional to 351,879,497.60, 527,819,246.40 and 96,577,865.60
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Solution
The fourth proportional to 351,879,497.60, 527,819,246.40 and 96,577,865.60 is: 144,866,798.40
Step by Step Solution
- Step 1: Write the proportion equation
351,879,497.60 : 527,819,246.40 = 96,577,865.60 : x - Step 2: Convert to fraction form
351,879,497.60/527,819,246.40 = 96,577,865.60/x - Step 3: Cross multiply
351,879,497.60x = 527,819,246.40 × 96,577,865.60 - Step 4: Simplify right side
351,879,497.60x = 50,975,656,239,912,480 - Step 5: Solve for x
x = 50,975,656,239,912,480/351,879,497.60 - Step 6: Final answer
x = 144,866,798.40
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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.