Finding the Fourth Proportional to 26,926,400,247.40, 40,389,600,371.10 and 25,480,030,421.80
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Solution
The fourth proportional to 26,926,400,247.40, 40,389,600,371.10 and 25,480,030,421.80 is: 38,220,045,632.70
Step by Step Solution
- Step 1: Write the proportion equation
26,926,400,247.40 : 40,389,600,371.10 = 25,480,030,421.80 : x - Step 2: Convert to fraction form
26,926,400,247.40/40,389,600,371.10 = 25,480,030,421.80/x - Step 3: Cross multiply
26,926,400,247.40x = 40,389,600,371.10 × 25,480,030,421.80 - Step 4: Simplify right side
26,926,400,247.40x = 1,029,128,246,179,972,513,792 - Step 5: Solve for x
x = 1,029,128,246,179,972,513,792/26,926,400,247.40 - Step 6: Final answer
x = 38,220,045,632.70
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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.