Finding the Fourth Proportional to 320,714,446.74, 442,585,936.61 and 174,036,730.74
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Solution
The fourth proportional to 320,714,446.74, 442,585,936.61 and 174,036,730.74 is: 240,170,688.48
Step by Step Solution
- Step 1: Write the proportion equation
320,714,446.74 : 442,585,936.61 = 174,036,730.74 : x - Step 2: Convert to fraction form
320,714,446.74/442,585,936.61 = 174,036,730.74/x - Step 3: Cross multiply
320,714,446.74x = 442,585,936.61 × 174,036,730.74 - Step 4: Simplify right side
320,714,446.74x = 77,026,209,478,235,104 - Step 5: Solve for x
x = 77,026,209,478,235,104/320,714,446.74 - Step 6: Final answer
x = 240,170,688.48
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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.