Finding the Fourth Proportional to 1,503,314,787,887.10, 2,074,574,292,237.20 and 818,207,426,103.98
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Solution
The fourth proportional to 1,503,314,787,887.10, 2,074,574,292,237.20 and 818,207,426,103.98 is: 1,129,126,185,406.99
Step by Step Solution
- Step 1: Write the proportion equation
1,503,314,787,887.10 : 2,074,574,292,237.20 = 818,207,426,103.98 : x - Step 2: Convert to fraction form
1,503,314,787,887.10/2,074,574,292,237.20 = 818,207,426,103.98/x - Step 3: Cross multiply
1,503,314,787,887.10x = 2,074,574,292,237.20 × 818,207,426,103.98 - Step 4: Simplify right side
1,503,314,787,887.10x = 1,697,432,091,912,885,401,288,704 - Step 5: Solve for x
x = 1,697,432,091,912,885,401,288,704/1,503,314,787,887.10 - Step 6: Final answer
x = 1,129,126,185,406.99
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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.