Finding the Fourth Proportional to 753,021,510.90, 1,129,532,266.35 and 533,483,233.80
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Solution
The fourth proportional to 753,021,510.90, 1,129,532,266.35 and 533,483,233.80 is: 800,224,850.70
Step by Step Solution
- Step 1: Write the proportion equation
753,021,510.90 : 1,129,532,266.35 = 533,483,233.80 : x - Step 2: Convert to fraction form
753,021,510.90/1,129,532,266.35 = 533,483,233.80/x - Step 3: Cross multiply
753,021,510.90x = 1,129,532,266.35 × 533,483,233.80 - Step 4: Simplify right side
753,021,510.90x = 602,586,526,133,840,896 - Step 5: Solve for x
x = 602,586,526,133,840,896/753,021,510.90 - Step 6: Final answer
x = 800,224,850.70
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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.