Finding the Fourth Proportional to 1,302,556,585.42, 1,954,218,254.64 and 473,497,160.08
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Solution
The fourth proportional to 1,302,556,585.42, 1,954,218,254.64 and 473,497,160.08 is: 710,385,102.73
Step by Step Solution
- Step 1: Write the proportion equation
1,302,556,585.42 : 1,954,218,254.64 = 473,497,160.08 : x - Step 2: Convert to fraction form
1,302,556,585.42/1,954,218,254.64 = 473,497,160.08/x - Step 3: Cross multiply
1,302,556,585.42x = 1,954,218,254.64 × 473,497,160.08 - Step 4: Simplify right side
1,302,556,585.42x = 925,316,793,748,534,272 - Step 5: Solve for x
x = 925,316,793,748,534,272/1,302,556,585.42 - Step 6: Final answer
x = 710,385,102.73
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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.