Finding the Fourth Proportional to 7,163,768,420.40, 10,735,448,963.40 and 5,283,742,738.80
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Solution
The fourth proportional to 7,163,768,420.40, 10,735,448,963.40 and 5,283,742,738.80 is: 7,918,088,243.42
Step by Step Solution
- Step 1: Write the proportion equation
7,163,768,420.40 : 10,735,448,963.40 = 5,283,742,738.80 : x - Step 2: Convert to fraction form
7,163,768,420.40/10,735,448,963.40 = 5,283,742,738.80/x - Step 3: Cross multiply
7,163,768,420.40x = 10,735,448,963.40 × 5,283,742,738.80 - Step 4: Simplify right side
7,163,768,420.40x = 56,723,350,508,122,734,592 - Step 5: Solve for x
x = 56,723,350,508,122,734,592/7,163,768,420.40 - Step 6: Final answer
x = 7,918,088,243.42
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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.