Finding the Fourth Proportional to 249,103,659.80, 373,655,489.70 and 163,107,320.60
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Solution
The fourth proportional to 249,103,659.80, 373,655,489.70 and 163,107,320.60 is: 244,660,980.90
Step by Step Solution
- Step 1: Write the proportion equation
249,103,659.80 : 373,655,489.70 = 163,107,320.60 : x - Step 2: Convert to fraction form
249,103,659.80/373,655,489.70 = 163,107,320.60/x - Step 3: Cross multiply
249,103,659.80x = 373,655,489.70 × 163,107,320.60 - Step 4: Simplify right side
249,103,659.80x = 60,945,945,752,447,896 - Step 5: Solve for x
x = 60,945,945,752,447,896/249,103,659.80 - Step 6: Final answer
x = 244,660,980.90
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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.