Finding the Fourth Proportional to 2,829,307,101.30, 4,243,960,652.04 and 1,279,625,145.30
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Solution
The fourth proportional to 2,829,307,101.30, 4,243,960,652.04 and 1,279,625,145.30 is: 1,919,437,717.99
Step by Step Solution
- Step 1: Write the proportion equation
2,829,307,101.30 : 4,243,960,652.04 = 1,279,625,145.30 : x - Step 2: Convert to fraction form
2,829,307,101.30/4,243,960,652.04 = 1,279,625,145.30/x - Step 3: Cross multiply
2,829,307,101.30x = 4,243,960,652.04 × 1,279,625,145.30 - Step 4: Simplify right side
2,829,307,101.30x = 5,430,678,766,014,167,040 - Step 5: Solve for x
x = 5,430,678,766,014,167,040/2,829,307,101.30 - Step 6: Final answer
x = 1,919,437,717.99
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1.5x scale
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.