Finding the Fourth Proportional to 1,260,092,434.80, 1,889,571,781.80 and 483,479,986.80
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Solution
The fourth proportional to 1,260,092,434.80, 1,889,571,781.80 and 483,479,986.80 is: 725,002,479.89
Step by Step Solution
- Step 1: Write the proportion equation
1,260,092,434.80 : 1,889,571,781.80 = 483,479,986.80 : x - Step 2: Convert to fraction form
1,260,092,434.80/1,889,571,781.80 = 483,479,986.80/x - Step 3: Cross multiply
1,260,092,434.80x = 1,889,571,781.80 × 483,479,986.80 - Step 4: Simplify right side
1,260,092,434.80x = 913,570,140,122,316,416 - Step 5: Solve for x
x = 913,570,140,122,316,416/1,260,092,434.80 - Step 6: Final answer
x = 725,002,479.89
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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.