Finding the Fourth Proportional to 958,560,346.05, 1,322,712,461.53 and 556,595,520.93
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Solution
The fourth proportional to 958,560,346.05, 1,322,712,461.53 and 556,595,520.93 is: 768,043,279.28
Step by Step Solution
- Step 1: Write the proportion equation
958,560,346.05 : 1,322,712,461.53 = 556,595,520.93 : x - Step 2: Convert to fraction form
958,560,346.05/1,322,712,461.53 = 556,595,520.93/x - Step 3: Cross multiply
958,560,346.05x = 1,322,712,461.53 × 556,595,520.93 - Step 4: Simplify right side
958,560,346.05x = 736,215,831,571,944,704 - Step 5: Solve for x
x = 736,215,831,571,944,704/958,560,346.05 - Step 6: Final answer
x = 768,043,279.28
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1.5x scale
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.