Finding the Fourth Proportional to 1,857,497,649.95, 2,786,649,582.77 and 564,999,545.63
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Solution
The fourth proportional to 1,857,497,649.95, 2,786,649,582.77 and 564,999,545.63 is: 847,621,932.72
Step by Step Solution
- Step 1: Write the proportion equation
1,857,497,649.95 : 2,786,649,582.77 = 564,999,545.63 : x - Step 2: Convert to fraction form
1,857,497,649.95/2,786,649,582.77 = 564,999,545.63/x - Step 3: Cross multiply
1,857,497,649.95x = 2,786,649,582.77 × 564,999,545.63 - Step 4: Simplify right side
1,857,497,649.95x = 1,574,455,748,078,320,640 - Step 5: Solve for x
x = 1,574,455,748,078,320,640/1,857,497,649.95 - Step 6: Final answer
x = 847,621,932.72
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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.