Finding the Fourth Proportional to 2,593,781,965,695.90, 3,889,889,632,742.70 and 780,176,137,503.90
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Solution
The fourth proportional to 2,593,781,965,695.90, 3,889,889,632,742.70 and 780,176,137,503.90 is: 1,170,028,594,973.07
Step by Step Solution
- Step 1: Write the proportion equation
2,593,781,965,695.90 : 3,889,889,632,742.70 = 780,176,137,503.90 : x - Step 2: Convert to fraction form
2,593,781,965,695.90/3,889,889,632,742.70 = 780,176,137,503.90/x - Step 3: Cross multiply
2,593,781,965,695.90x = 3,889,889,632,742.70 × 780,176,137,503.90 - Step 4: Simplify right side
2,593,781,965,695.90x = 3,034,799,068,989,663,911,870,464 - Step 5: Solve for x
x = 3,034,799,068,989,663,911,870,464/2,593,781,965,695.90 - Step 6: Final answer
x = 1,170,028,594,973.07
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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.