Finding the Fourth Proportional to 457,311,407.68, 631,095,482.34 and 248,471,038
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Solution
The fourth proportional to 457,311,407.68, 631,095,482.34 and 248,471,038 is: 342,893,151.01
Step by Step Solution
- Step 1: Write the proportion equation
457,311,407.68 : 631,095,482.34 = 248,471,038 : x - Step 2: Convert to fraction form
457,311,407.68/631,095,482.34 = 248,471,038/x - Step 3: Cross multiply
457,311,407.68x = 631,095,482.34 × 248,471,038 - Step 4: Simplify right side
457,311,407.68x = 156,808,949,574,130,464 - Step 5: Solve for x
x = 156,808,949,574,130,464/457,311,407.68 - Step 6: Final answer
x = 342,893,151.01
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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.