Finding the Fourth Proportional to 4,345,602,187.20, 6,518,403,280.80 and 1,585,321,252.80
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Solution
The fourth proportional to 4,345,602,187.20, 6,518,403,280.80 and 1,585,321,252.80 is: 2,377,981,879.20
Step by Step Solution
- Step 1: Write the proportion equation
4,345,602,187.20 : 6,518,403,280.80 = 1,585,321,252.80 : x - Step 2: Convert to fraction form
4,345,602,187.20/6,518,403,280.80 = 1,585,321,252.80/x - Step 3: Cross multiply
4,345,602,187.20x = 6,518,403,280.80 × 1,585,321,252.80 - Step 4: Simplify right side
4,345,602,187.20x = 10,333,763,255,373,486,080 - Step 5: Solve for x
x = 10,333,763,255,373,486,080/4,345,602,187.20 - Step 6: Final answer
x = 2,377,981,879.20
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1.5x scale
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.