Finding the Fourth Proportional to 5,435,353,809.12, 8,153,051,970.24 and 1,653,783,808.80
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Solution
The fourth proportional to 5,435,353,809.12, 8,153,051,970.24 and 1,653,783,808.80 is: 2,480,682,180.81
Step by Step Solution
- Step 1: Write the proportion equation
5,435,353,809.12 : 8,153,051,970.24 = 1,653,783,808.80 : x - Step 2: Convert to fraction form
5,435,353,809.12/8,153,051,970.24 = 1,653,783,808.80/x - Step 3: Cross multiply
5,435,353,809.12x = 8,153,051,970.24 × 1,653,783,808.80 - Step 4: Simplify right side
5,435,353,809.12x = 13,483,385,340,687,851,520 - Step 5: Solve for x
x = 13,483,385,340,687,851,520/5,435,353,809.12 - Step 6: Final answer
x = 2,480,682,180.81
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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.