Finding the Fourth Proportional to 350,655,488.20, 525,983,232.30 and 146,330,201.80
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Solution
The fourth proportional to 350,655,488.20, 525,983,232.30 and 146,330,201.80 is: 219,495,302.70
Step by Step Solution
- Step 1: Write the proportion equation
350,655,488.20 : 525,983,232.30 = 146,330,201.80 : x - Step 2: Convert to fraction form
350,655,488.20/525,983,232.30 = 146,330,201.80/x - Step 3: Cross multiply
350,655,488.20x = 525,983,232.30 × 146,330,201.80 - Step 4: Simplify right side
350,655,488.20x = 76,967,232,525,875,280 - Step 5: Solve for x
x = 76,967,232,525,875,280/350,655,488.20 - Step 6: Final answer
x = 219,495,302.70
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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.