Finding the Fourth Proportional to 4,217,842,480.80, 6,326,763,721.20 and 3,534,196,778.40
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Solution
The fourth proportional to 4,217,842,480.80, 6,326,763,721.20 and 3,534,196,778.40 is: 5,301,295,167.60
Step by Step Solution
- Step 1: Write the proportion equation
4,217,842,480.80 : 6,326,763,721.20 = 3,534,196,778.40 : x - Step 2: Convert to fraction form
4,217,842,480.80/6,326,763,721.20 = 3,534,196,778.40/x - Step 3: Cross multiply
4,217,842,480.80x = 6,326,763,721.20 × 3,534,196,778.40 - Step 4: Simplify right side
4,217,842,480.80x = 22,360,027,961,163,034,624 - Step 5: Solve for x
x = 22,360,027,961,163,034,624/4,217,842,480.80 - Step 6: Final answer
x = 5,301,295,167.60
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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.