Finding the Fourth Proportional to 453,697,753.80, 680,546,630.70 and 223,776,985.80
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Solution
The fourth proportional to 453,697,753.80, 680,546,630.70 and 223,776,985.80 is: 335,665,478.70
Step by Step Solution
- Step 1: Write the proportion equation
453,697,753.80 : 680,546,630.70 = 223,776,985.80 : x - Step 2: Convert to fraction form
453,697,753.80/680,546,630.70 = 223,776,985.80/x - Step 3: Cross multiply
453,697,753.80x = 680,546,630.70 × 223,776,985.80 - Step 4: Simplify right side
453,697,753.80x = 152,290,673,714,391,776 - Step 5: Solve for x
x = 152,290,673,714,391,776/453,697,753.80 - Step 6: Final answer
x = 335,665,478.70
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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.