Finding the Fourth Proportional to 1,571,560,619.40, 2,357,340,929.10 and 466,205,329.80
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Solution
The fourth proportional to 1,571,560,619.40, 2,357,340,929.10 and 466,205,329.80 is: 699,307,994.70
Step by Step Solution
- Step 1: Write the proportion equation
1,571,560,619.40 : 2,357,340,929.10 = 466,205,329.80 : x - Step 2: Convert to fraction form
1,571,560,619.40/2,357,340,929.10 = 466,205,329.80/x - Step 3: Cross multiply
1,571,560,619.40x = 2,357,340,929.10 × 466,205,329.80 - Step 4: Simplify right side
1,571,560,619.40x = 1,099,004,905,302,103,936 - Step 5: Solve for x
x = 1,099,004,905,302,103,936/1,571,560,619.40 - Step 6: Final answer
x = 699,307,994.70
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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.