Finding the Fourth Proportional to 453,697,277.80, 680,545,916.70 and 223,776,509.80
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Solution
The fourth proportional to 453,697,277.80, 680,545,916.70 and 223,776,509.80 is: 335,664,764.70
Step by Step Solution
- Step 1: Write the proportion equation
453,697,277.80 : 680,545,916.70 = 223,776,509.80 : x - Step 2: Convert to fraction form
453,697,277.80/680,545,916.70 = 223,776,509.80/x - Step 3: Cross multiply
453,697,277.80x = 680,545,916.70 × 223,776,509.80 - Step 4: Simplify right side
453,697,277.80x = 152,290,189,997,767,552 - Step 5: Solve for x
x = 152,290,189,997,767,552/453,697,277.80 - Step 6: Final answer
x = 335,664,764.70
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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.