Finding the Fourth Proportional to 958,786,558.26, 1,322,748,987.45 and 556,831,882.44
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Solution
The fourth proportional to 958,786,558.26, 1,322,748,987.45 and 556,831,882.44 is: 768,209,360.40
Step by Step Solution
- Step 1: Write the proportion equation
958,786,558.26 : 1,322,748,987.45 = 556,831,882.44 : x - Step 2: Convert to fraction form
958,786,558.26/1,322,748,987.45 = 556,831,882.44/x - Step 3: Cross multiply
958,786,558.26x = 1,322,748,987.45 × 556,831,882.44 - Step 4: Simplify right side
958,786,558.26x = 736,548,808,677,387,520 - Step 5: Solve for x
x = 736,548,808,677,387,520/958,786,558.26 - Step 6: Final answer
x = 768,209,360.40
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Double scale
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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.