Finding the Fourth Proportional to 1,498,670,354.14, 2,067,472,355.37 and 970,205,423.74
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Solution
The fourth proportional to 1,498,670,354.14, 2,067,472,355.37 and 970,205,423.74 is: 1,338,435,024.80
Step by Step Solution
- Step 1: Write the proportion equation
1,498,670,354.14 : 2,067,472,355.37 = 970,205,423.74 : x - Step 2: Convert to fraction form
1,498,670,354.14/2,067,472,355.37 = 970,205,423.74/x - Step 3: Cross multiply
1,498,670,354.14x = 2,067,472,355.37 × 970,205,423.74 - Step 4: Simplify right side
1,498,670,354.14x = 2,005,872,892,603,672,576 - Step 5: Solve for x
x = 2,005,872,892,603,672,576/1,498,670,354.14 - Step 6: Final answer
x = 1,338,435,024.80
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1.5x scale
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.