Finding the Fourth Proportional to 472,566,529.30, 708,849,793.95 and 408,865,537.30
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Solution
The fourth proportional to 472,566,529.30, 708,849,793.95 and 408,865,537.30 is: 613,298,305.95
Step by Step Solution
- Step 1: Write the proportion equation
472,566,529.30 : 708,849,793.95 = 408,865,537.30 : x - Step 2: Convert to fraction form
472,566,529.30/708,849,793.95 = 408,865,537.30/x - Step 3: Cross multiply
472,566,529.30x = 708,849,793.95 × 408,865,537.30 - Step 4: Simplify right side
472,566,529.30x = 289,824,251,868,361,088 - Step 5: Solve for x
x = 289,824,251,868,361,088/472,566,529.30 - Step 6: Final answer
x = 613,298,305.95
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Similar ratio
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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.