Finding the Fourth Proportional to 451,506,412.20, 677,259,618.30 and 144,829,525.80
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Solution
The fourth proportional to 451,506,412.20, 677,259,618.30 and 144,829,525.80 is: 217,244,288.70
Step by Step Solution
- Step 1: Write the proportion equation
451,506,412.20 : 677,259,618.30 = 144,829,525.80 : x - Step 2: Convert to fraction form
451,506,412.20/677,259,618.30 = 144,829,525.80/x - Step 3: Cross multiply
451,506,412.20x = 677,259,618.30 × 144,829,525.80 - Step 4: Simplify right side
451,506,412.20x = 98,087,189,361,878,000 - Step 5: Solve for x
x = 98,087,189,361,878,000/451,506,412.20 - Step 6: Final answer
x = 217,244,288.70
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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.