Finding the Fourth Proportional to 753,021,960.90, 1,129,532,941.35 and 533,483,683.80
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Solution
The fourth proportional to 753,021,960.90, 1,129,532,941.35 and 533,483,683.80 is: 800,225,525.70
Step by Step Solution
- Step 1: Write the proportion equation
753,021,960.90 : 1,129,532,941.35 = 533,483,683.80 : x - Step 2: Convert to fraction form
753,021,960.90/1,129,532,941.35 = 533,483,683.80/x - Step 3: Cross multiply
753,021,960.90x = 1,129,532,941.35 × 533,483,683.80 - Step 4: Simplify right side
753,021,960.90x = 602,587,394,524,847,360 - Step 5: Solve for x
x = 602,587,394,524,847,360/753,021,960.90 - Step 6: Final answer
x = 800,225,525.70
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.