Finding the Fourth Proportional to 1,511,544,445,053.60, 2,268,930,155,207.80 and 651,443,077,691.10
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Solution
The fourth proportional to 1,511,544,445,053.60, 2,268,930,155,207.80 and 651,443,077,691.10 is: 977,859,994,928.76
Step by Step Solution
- Step 1: Write the proportion equation
1,511,544,445,053.60 : 2,268,930,155,207.80 = 651,443,077,691.10 : x - Step 2: Convert to fraction form
1,511,544,445,053.60/2,268,930,155,207.80 = 651,443,077,691.10/x - Step 3: Cross multiply
1,511,544,445,053.60x = 2,268,930,155,207.80 × 651,443,077,691.10 - Step 4: Simplify right side
1,511,544,445,053.60x = 1,478,078,843,374,714,256,097,280 - Step 5: Solve for x
x = 1,478,078,843,374,714,256,097,280/1,511,544,445,053.60 - Step 6: Final answer
x = 977,859,994,928.76
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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.