Finding the Fourth Proportional to 1,472,699,714.68, 2,032,368,525.84 and 803,687,851.68
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Solution
The fourth proportional to 1,472,699,714.68, 2,032,368,525.84 and 803,687,851.68 is: 1,109,112,657.57
Step by Step Solution
- Step 1: Write the proportion equation
1,472,699,714.68 : 2,032,368,525.84 = 803,687,851.68 : x - Step 2: Convert to fraction form
1,472,699,714.68/2,032,368,525.84 = 803,687,851.68/x - Step 3: Cross multiply
1,472,699,714.68x = 2,032,368,525.84 × 803,687,851.68 - Step 4: Simplify right side
1,472,699,714.68x = 1,633,389,894,354,397,952 - Step 5: Solve for x
x = 1,633,389,894,354,397,952/1,472,699,714.68 - Step 6: Final answer
x = 1,109,112,657.57
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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.