Finding the Fourth Proportional to 1,113,351,908.81, 1,536,334,159.93 and 611,534,758.75
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Solution
The fourth proportional to 1,113,351,908.81, 1,536,334,159.93 and 611,534,758.75 is: 843,867,722.70
Step by Step Solution
- Step 1: Write the proportion equation
1,113,351,908.81 : 1,536,334,159.93 = 611,534,758.75 : x - Step 2: Convert to fraction form
1,113,351,908.81/1,536,334,159.93 = 611,534,758.75/x - Step 3: Cross multiply
1,113,351,908.81x = 1,536,334,159.93 × 611,534,758.75 - Step 4: Simplify right side
1,113,351,908.81x = 939,521,739,846,806,656 - Step 5: Solve for x
x = 939,521,739,846,806,656/1,113,351,908.81 - Step 6: Final answer
x = 843,867,722.70
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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.