Finding the Fourth Proportional to 787,863,477,370.96, 1,087,785,314,793.50 and 499,087,999,262.80
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Solution
The fourth proportional to 787,863,477,370.96, 1,087,785,314,793.50 and 499,087,999,262.80 is: 689,079,532,153.67
Step by Step Solution
- Step 1: Write the proportion equation
787,863,477,370.96 : 1,087,785,314,793.50 = 499,087,999,262.80 : x - Step 2: Convert to fraction form
787,863,477,370.96/1,087,785,314,793.50 = 499,087,999,262.80/x - Step 3: Cross multiply
787,863,477,370.96x = 1,087,785,314,793.50 × 499,087,999,262.80 - Step 4: Simplify right side
787,863,477,370.96x = 542,900,596,387,742,996,234,240 - Step 5: Solve for x
x = 542,900,596,387,742,996,234,240/787,863,477,370.96 - Step 6: Final answer
x = 689,079,532,153.67
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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.