Finding the Fourth Proportional to 1,302,556,579.92, 1,954,218,246.42 and 473,497,154.57
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Solution
The fourth proportional to 1,302,556,579.92, 1,954,218,246.42 and 473,497,154.57 is: 710,385,094.47
Step by Step Solution
- Step 1: Write the proportion equation
1,302,556,579.92 : 1,954,218,246.42 = 473,497,154.57 : x - Step 2: Convert to fraction form
1,302,556,579.92/1,954,218,246.42 = 473,497,154.57/x - Step 3: Cross multiply
1,302,556,579.92x = 1,954,218,246.42 × 473,497,154.57 - Step 4: Simplify right side
1,302,556,579.92x = 925,316,779,078,873,984 - Step 5: Solve for x
x = 925,316,779,078,873,984/1,302,556,579.92 - Step 6: Final answer
x = 710,385,094.47
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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.