Finding the Fourth Proportional to 710,579,602.07, 980,534,043.34 and 393,033,014.63
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Solution
The fourth proportional to 710,579,602.07, 980,534,043.34 and 393,033,014.63 is: 542,349,160.99
Step by Step Solution
- Step 1: Write the proportion equation
710,579,602.07 : 980,534,043.34 = 393,033,014.63 : x - Step 2: Convert to fraction form
710,579,602.07/980,534,043.34 = 393,033,014.63/x - Step 3: Cross multiply
710,579,602.07x = 980,534,043.34 × 393,033,014.63 - Step 4: Simplify right side
710,579,602.07x = 385,382,250,994,395,456 - Step 5: Solve for x
x = 385,382,250,994,395,456/710,579,602.07 - Step 6: Final answer
x = 542,349,160.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.