Finding the Fourth Proportional to 1,833,879,862.95, 2,750,819,794.43 and 915,549,814.95
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Solution
The fourth proportional to 1,833,879,862.95, 2,750,819,794.43 and 915,549,814.95 is: 1,373,324,722.43
Step by Step Solution
- Step 1: Write the proportion equation
1,833,879,862.95 : 2,750,819,794.43 = 915,549,814.95 : x - Step 2: Convert to fraction form
1,833,879,862.95/2,750,819,794.43 = 915,549,814.95/x - Step 3: Cross multiply
1,833,879,862.95x = 2,750,819,794.43 × 915,549,814.95 - Step 4: Simplify right side
1,833,879,862.95x = 2,518,512,553,746,606,080 - Step 5: Solve for x
x = 2,518,512,553,746,606,080/1,833,879,862.95 - Step 6: Final answer
x = 1,373,324,722.43
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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.