Finding the Fourth Proportional to 512,487,030.30, 768,730,545.45 and 236,137,710.30
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Solution
The fourth proportional to 512,487,030.30, 768,730,545.45 and 236,137,710.30 is: 354,206,565.45
Step by Step Solution
- Step 1: Write the proportion equation
512,487,030.30 : 768,730,545.45 = 236,137,710.30 : x - Step 2: Convert to fraction form
512,487,030.30/768,730,545.45 = 236,137,710.30/x - Step 3: Cross multiply
512,487,030.30x = 768,730,545.45 × 236,137,710.30 - Step 4: Simplify right side
512,487,030.30x = 181,526,270,840,233,088 - Step 5: Solve for x
x = 181,526,270,840,233,088/512,487,030.30 - Step 6: Final answer
x = 354,206,565.45
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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.