Finding the Fourth Proportional to 1,456,272,391.80, 2,184,408,587.70 and 486,924,007.80
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Solution
The fourth proportional to 1,456,272,391.80, 2,184,408,587.70 and 486,924,007.80 is: 730,386,011.70
Step by Step Solution
- Step 1: Write the proportion equation
1,456,272,391.80 : 2,184,408,587.70 = 486,924,007.80 : x - Step 2: Convert to fraction form
1,456,272,391.80/2,184,408,587.70 = 486,924,007.80/x - Step 3: Cross multiply
1,456,272,391.80x = 2,184,408,587.70 × 486,924,007.80 - Step 4: Simplify right side
1,456,272,391.80x = 1,063,640,984,195,621,760 - Step 5: Solve for x
x = 1,063,640,984,195,621,760/1,456,272,391.80 - Step 6: Final answer
x = 730,386,011.70
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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.