Finding the Fourth Proportional to 708,625,534.80, 1,062,938,302.20 and 524,959,525.20
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Solution
The fourth proportional to 708,625,534.80, 1,062,938,302.20 and 524,959,525.20 is: 787,439,287.80
Step by Step Solution
- Step 1: Write the proportion equation
708,625,534.80 : 1,062,938,302.20 = 524,959,525.20 : x - Step 2: Convert to fraction form
708,625,534.80/1,062,938,302.20 = 524,959,525.20/x - Step 3: Cross multiply
708,625,534.80x = 1,062,938,302.20 × 524,959,525.20 - Step 4: Simplify right side
708,625,534.80x = 557,999,586,439,806,144 - Step 5: Solve for x
x = 557,999,586,439,806,144/708,625,534.80 - Step 6: Final answer
x = 787,439,287.80
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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.