Finding the Fourth Proportional to 362,518,029.79, 500,334,878.84 and 213,875,491.12
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Solution
The fourth proportional to 362,518,029.79, 500,334,878.84 and 213,875,491.12 is: 295,183,574.73
Step by Step Solution
- Step 1: Write the proportion equation
362,518,029.79 : 500,334,878.84 = 213,875,491.12 : x - Step 2: Convert to fraction form
362,518,029.79/500,334,878.84 = 213,875,491.12/x - Step 3: Cross multiply
362,518,029.79x = 500,334,878.84 × 213,875,491.12 - Step 4: Simplify right side
362,518,029.79x = 107,009,367,936,370,688 - Step 5: Solve for x
x = 107,009,367,936,370,688/362,518,029.79 - Step 6: Final answer
x = 295,183,574.73
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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.