Finding the Fourth Proportional to 1,053,062,458.51, 1,453,271,873.84 and 583,163,779.47
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Solution
The fourth proportional to 1,053,062,458.51, 1,453,271,873.84 and 583,163,779.47 is: 804,791,312.89
Step by Step Solution
- Step 1: Write the proportion equation
1,053,062,458.51 : 1,453,271,873.84 = 583,163,779.47 : x - Step 2: Convert to fraction form
1,053,062,458.51/1,453,271,873.84 = 583,163,779.47/x - Step 3: Cross multiply
1,053,062,458.51x = 1,453,271,873.84 × 583,163,779.47 - Step 4: Simplify right side
1,053,062,458.51x = 847,495,518,543,825,664 - Step 5: Solve for x
x = 847,495,518,543,825,664/1,053,062,458.51 - Step 6: Final answer
x = 804,791,312.89
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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.