Finding the Fourth Proportional to 532,560,602.80, 798,840,904.20 and 403,420,439.80
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Solution
The fourth proportional to 532,560,602.80, 798,840,904.20 and 403,420,439.80 is: 605,130,659.70
Step by Step Solution
- Step 1: Write the proportion equation
532,560,602.80 : 798,840,904.20 = 403,420,439.80 : x - Step 2: Convert to fraction form
532,560,602.80/798,840,904.20 = 403,420,439.80/x - Step 3: Cross multiply
532,560,602.80x = 798,840,904.20 × 403,420,439.80 - Step 4: Simplify right side
532,560,602.80x = 322,268,748,902,593,664 - Step 5: Solve for x
x = 322,268,748,902,593,664/532,560,602.80 - Step 6: Final answer
x = 605,130,659.70
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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.