Finding the Fourth Proportional to 958,786,570.98, 1,322,749,004.99 and 556,831,895.22
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Solution
The fourth proportional to 958,786,570.98, 1,322,749,004.99 and 556,831,895.22 is: 768,209,378.02
Step by Step Solution
- Step 1: Write the proportion equation
958,786,570.98 : 1,322,749,004.99 = 556,831,895.22 : x - Step 2: Convert to fraction form
958,786,570.98/1,322,749,004.99 = 556,831,895.22/x - Step 3: Cross multiply
958,786,570.98x = 1,322,749,004.99 × 556,831,895.22 - Step 4: Simplify right side
958,786,570.98x = 736,548,835,346,166,784 - Step 5: Solve for x
x = 736,548,835,346,166,784/958,786,570.98 - Step 6: Final answer
x = 768,209,378.02
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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.