Finding the Fourth Proportional to 1,787,764,609,859.30, 2,681,646,914,789 and 1,593,813,303,721.70
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Solution
The fourth proportional to 1,787,764,609,859.30, 2,681,646,914,789 and 1,593,813,303,721.70 is: 2,390,719,955,582.59
Step by Step Solution
- Step 1: Write the proportion equation
1,787,764,609,859.30 : 2,681,646,914,789 = 1,593,813,303,721.70 : x - Step 2: Convert to fraction form
1,787,764,609,859.30/2,681,646,914,789 = 1,593,813,303,721.70/x - Step 3: Cross multiply
1,787,764,609,859.30x = 2,681,646,914,789 × 1,593,813,303,721.70 - Step 4: Simplify right side
1,787,764,609,859.30x = 4,274,044,528,674,959,850,995,712 - Step 5: Solve for x
x = 4,274,044,528,674,959,850,995,712/1,787,764,609,859.30 - Step 6: Final answer
x = 2,390,719,955,582.59
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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.