Finding the Fourth Proportional to 1,223,227,989.99, 1,834,091,068.95 and 475,370,549.48
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Solution
The fourth proportional to 1,223,227,989.99, 1,834,091,068.95 and 475,370,549.48 is: 712,764,003.43
Step by Step Solution
- Step 1: Write the proportion equation
1,223,227,989.99 : 1,834,091,068.95 = 475,370,549.48 : x - Step 2: Convert to fraction form
1,223,227,989.99/1,834,091,068.95 = 475,370,549.48/x - Step 3: Cross multiply
1,223,227,989.99x = 1,834,091,068.95 × 475,370,549.48 - Step 4: Simplify right side
1,223,227,989.99x = 871,872,879,247,707,392 - Step 5: Solve for x
x = 871,872,879,247,707,392/1,223,227,989.99 - Step 6: Final answer
x = 712,764,003.43
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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.