Finding the Fourth Proportional to 1,058,278,932.24, 1,587,315,766.08 and 321,355,219.80
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Solution
The fourth proportional to 1,058,278,932.24, 1,587,315,766.08 and 321,355,219.80 is: 482,001,664.55
Step by Step Solution
- Step 1: Write the proportion equation
1,058,278,932.24 : 1,587,315,766.08 = 321,355,219.80 : x - Step 2: Convert to fraction form
1,058,278,932.24/1,587,315,766.08 = 321,355,219.80/x - Step 3: Cross multiply
1,058,278,932.24x = 1,587,315,766.08 × 321,355,219.80 - Step 4: Simplify right side
1,058,278,932.24x = 510,092,206,900,643,776 - Step 5: Solve for x
x = 510,092,206,900,643,776/1,058,278,932.24 - Step 6: Final answer
x = 482,001,664.55
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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.