Finding the Fourth Proportional to 1,176,917,385.40, 1,765,376,078.10 and 1,049,938,415.80
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Solution
The fourth proportional to 1,176,917,385.40, 1,765,376,078.10 and 1,049,938,415.80 is: 1,574,907,623.70
Step by Step Solution
- Step 1: Write the proportion equation
1,176,917,385.40 : 1,765,376,078.10 = 1,049,938,415.80 : x - Step 2: Convert to fraction form
1,176,917,385.40/1,765,376,078.10 = 1,049,938,415.80/x - Step 3: Cross multiply
1,176,917,385.40x = 1,765,376,078.10 × 1,049,938,415.80 - Step 4: Simplify right side
1,176,917,385.40x = 1,853,536,162,731,531,008 - Step 5: Solve for x
x = 1,853,536,162,731,531,008/1,176,917,385.40 - Step 6: Final answer
x = 1,574,907,623.70
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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.