Finding the Fourth Proportional to 1,031,626,230.15, 1,423,638,133.74 and 561,726,426
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Solution
The fourth proportional to 1,031,626,230.15, 1,423,638,133.74 and 561,726,426 is: 775,179,166.07
Step by Step Solution
- Step 1: Write the proportion equation
1,031,626,230.15 : 1,423,638,133.74 = 561,726,426 : x - Step 2: Convert to fraction form
1,031,626,230.15/1,423,638,133.74 = 561,726,426/x - Step 3: Cross multiply
1,031,626,230.15x = 1,423,638,133.74 × 561,726,426 - Step 4: Simplify right side
1,031,626,230.15x = 799,695,160,783,080,192 - Step 5: Solve for x
x = 799,695,160,783,080,192/1,031,626,230.15 - Step 6: Final answer
x = 775,179,166.07
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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.