Finding the Fourth Proportional to 4,189,402,889.64, 6,284,750,035.28 and 1,428,386,204.70
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Solution
The fourth proportional to 4,189,402,889.64, 6,284,750,035.28 and 1,428,386,204.70 is: 2,142,799,460.17
Step by Step Solution
- Step 1: Write the proportion equation
4,189,402,889.64 : 6,284,750,035.28 = 1,428,386,204.70 : x - Step 2: Convert to fraction form
4,189,402,889.64/6,284,750,035.28 = 1,428,386,204.70/x - Step 3: Cross multiply
4,189,402,889.64x = 6,284,750,035.28 × 1,428,386,204.70 - Step 4: Simplify right side
4,189,402,889.64x = 8,977,050,250,374,647,808 - Step 5: Solve for x
x = 8,977,050,250,374,647,808/4,189,402,889.64 - Step 6: Final answer
x = 2,142,799,460.17
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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.