Finding the Fourth Proportional to 387,084,497.60, 580,248,832.80 and 346,269,828.80
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Solution
The fourth proportional to 387,084,497.60, 580,248,832.80 and 346,269,828.80 is: 519,066,677.28
Step by Step Solution
- Step 1: Write the proportion equation
387,084,497.60 : 580,248,832.80 = 346,269,828.80 : x - Step 2: Convert to fraction form
387,084,497.60/580,248,832.80 = 346,269,828.80/x - Step 3: Cross multiply
387,084,497.60x = 580,248,832.80 × 346,269,828.80 - Step 4: Simplify right side
387,084,497.60x = 200,922,663,995,055,808 - Step 5: Solve for x
x = 200,922,663,995,055,808/387,084,497.60 - Step 6: Final answer
x = 519,066,677.28
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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.