Finding the Fourth Proportional to 869,554,466.20, 1,304,331,699.30 and 594,055,451.80
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Solution
The fourth proportional to 869,554,466.20, 1,304,331,699.30 and 594,055,451.80 is: 891,083,177.70
Step by Step Solution
- Step 1: Write the proportion equation
869,554,466.20 : 1,304,331,699.30 = 594,055,451.80 : x - Step 2: Convert to fraction form
869,554,466.20/1,304,331,699.30 = 594,055,451.80/x - Step 3: Cross multiply
869,554,466.20x = 1,304,331,699.30 × 594,055,451.80 - Step 4: Simplify right side
869,554,466.20x = 774,845,356,924,723,200 - Step 5: Solve for x
x = 774,845,356,924,723,200/869,554,466.20 - Step 6: Final answer
x = 891,083,177.70
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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.