Finding the Fourth Proportional to 1,165,023,320.08, 1,607,737,661.40 and 636,394,640.08
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Solution
The fourth proportional to 1,165,023,320.08, 1,607,737,661.40 and 636,394,640.08 is: 878,227,596.59
Step by Step Solution
- Step 1: Write the proportion equation
1,165,023,320.08 : 1,607,737,661.40 = 636,394,640.08 : x - Step 2: Convert to fraction form
1,165,023,320.08/1,607,737,661.40 = 636,394,640.08/x - Step 3: Cross multiply
1,165,023,320.08x = 1,607,737,661.40 × 636,394,640.08 - Step 4: Simplify right side
1,165,023,320.08x = 1,023,155,630,369,714,048 - Step 5: Solve for x
x = 1,023,155,630,369,714,048/1,165,023,320.08 - Step 6: Final answer
x = 878,227,596.59
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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.