Finding the Fourth Proportional to 1,769,905,817.68, 2,442,470,267.48 and 976,951,946.46
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Solution
The fourth proportional to 1,769,905,817.68, 2,442,470,267.48 and 976,951,946.46 is: 1,348,193,818.08
Step by Step Solution
- Step 1: Write the proportion equation
1,769,905,817.68 : 2,442,470,267.48 = 976,951,946.46 : x - Step 2: Convert to fraction form
1,769,905,817.68/2,442,470,267.48 = 976,951,946.46/x - Step 3: Cross multiply
1,769,905,817.68x = 2,442,470,267.48 × 976,951,946.46 - Step 4: Simplify right side
1,769,905,817.68x = 2,386,176,081,985,263,104 - Step 5: Solve for x
x = 2,386,176,081,985,263,104/1,769,905,817.68 - Step 6: Final answer
x = 1,348,193,818.08
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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.