Finding the Fourth Proportional to 2,689,563,562.08, 3,710,186,208.37 and 2,188,332,817.80
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Solution
The fourth proportional to 2,689,563,562.08, 3,710,186,208.37 and 2,188,332,817.80 is: 3,018,750,831.69
Step by Step Solution
- Step 1: Write the proportion equation
2,689,563,562.08 : 3,710,186,208.37 = 2,188,332,817.80 : x - Step 2: Convert to fraction form
2,689,563,562.08/3,710,186,208.37 = 2,188,332,817.80/x - Step 3: Cross multiply
2,689,563,562.08x = 3,710,186,208.37 × 2,188,332,817.80 - Step 4: Simplify right side
2,689,563,562.08x = 8,119,122,239,925,020,672 - Step 5: Solve for x
x = 8,119,122,239,925,020,672/2,689,563,562.08 - Step 6: Final answer
x = 3,018,750,831.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.