Finding the Fourth Proportional to 1,026,727,270.11, 1,539,981,727.25 and 289,778,953.95
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Solution
The fourth proportional to 1,026,727,270.11, 1,539,981,727.25 and 289,778,953.95 is: 434,637,617.03
Step by Step Solution
- Step 1: Write the proportion equation
1,026,727,270.11 : 1,539,981,727.25 = 289,778,953.95 : x - Step 2: Convert to fraction form
1,026,727,270.11/1,539,981,727.25 = 289,778,953.95/x - Step 3: Cross multiply
1,026,727,270.11x = 1,539,981,727.25 × 289,778,953.95 - Step 4: Simplify right side
1,026,727,270.11x = 446,254,294,023,170,240 - Step 5: Solve for x
x = 446,254,294,023,170,240/1,026,727,270.11 - Step 6: Final answer
x = 434,637,617.03
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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.