Finding the Fourth Proportional to 4,292,352,180.80, 6,438,528,271.20 and 4,265,142,401.60
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Solution
The fourth proportional to 4,292,352,180.80, 6,438,528,271.20 and 4,265,142,401.60 is: 6,397,713,602.40
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,180.80 : 6,438,528,271.20 = 4,265,142,401.60 : x - Step 2: Convert to fraction form
4,292,352,180.80/6,438,528,271.20 = 4,265,142,401.60/x - Step 3: Cross multiply
4,292,352,180.80x = 6,438,528,271.20 × 4,265,142,401.60 - Step 4: Simplify right side
4,292,352,180.80x = 27,461,239,933,395,464,192 - Step 5: Solve for x
x = 27,461,239,933,395,464,192/4,292,352,180.80 - Step 6: Final answer
x = 6,397,713,602.40
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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.