Finding the Fourth Proportional to 493,720,619.80, 740,580,929.70 and 493,720,619.80
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Solution
The fourth proportional to 493,720,619.80, 740,580,929.70 and 493,720,619.80 is: 740,580,929.70
Step by Step Solution
- Step 1: Write the proportion equation
493,720,619.80 : 740,580,929.70 = 493,720,619.80 : x - Step 2: Convert to fraction form
493,720,619.80/740,580,929.70 = 493,720,619.80/x - Step 3: Cross multiply
493,720,619.80x = 740,580,929.70 × 493,720,619.80 - Step 4: Simplify right side
493,720,619.80x = 365,640,075,623,544,256 - Step 5: Solve for x
x = 365,640,075,623,544,256/493,720,619.80 - Step 6: Final answer
x = 740,580,929.70
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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.