Finding the Fourth Proportional to 1,679,620,033.80, 2,519,430,050.70 and 1,271,473,345.80
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Solution
The fourth proportional to 1,679,620,033.80, 2,519,430,050.70 and 1,271,473,345.80 is: 1,907,210,018.70
Step by Step Solution
- Step 1: Write the proportion equation
1,679,620,033.80 : 2,519,430,050.70 = 1,271,473,345.80 : x - Step 2: Convert to fraction form
1,679,620,033.80/2,519,430,050.70 = 1,271,473,345.80/x - Step 3: Cross multiply
1,679,620,033.80x = 2,519,430,050.70 × 1,271,473,345.80 - Step 4: Simplify right side
1,679,620,033.80x = 3,203,388,156,072,592,384 - Step 5: Solve for x
x = 3,203,388,156,072,592,384/1,679,620,033.80 - Step 6: Final answer
x = 1,907,210,018.70
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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.