Finding the Fourth Proportional to 2,126,400,084.18, 2,934,432,227.97 and 1,173,781,072.98
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Solution
The fourth proportional to 2,126,400,084.18, 2,934,432,227.97 and 1,173,781,072.98 is: 1,619,817,942.43
Step by Step Solution
- Step 1: Write the proportion equation
2,126,400,084.18 : 2,934,432,227.97 = 1,173,781,072.98 : x - Step 2: Convert to fraction form
2,126,400,084.18/2,934,432,227.97 = 1,173,781,072.98/x - Step 3: Cross multiply
2,126,400,084.18x = 2,934,432,227.97 × 1,173,781,072.98 - Step 4: Simplify right side
2,126,400,084.18x = 3,444,381,009,133,718,528 - Step 5: Solve for x
x = 3,444,381,009,133,718,528/2,126,400,084.18 - Step 6: Final answer
x = 1,619,817,942.43
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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.