Finding the Fourth Proportional to 1,092,104,184.80, 1,638,156,277.20 and 402,506,343.20
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Solution
The fourth proportional to 1,092,104,184.80, 1,638,156,277.20 and 402,506,343.20 is: 603,759,514.80
Step by Step Solution
- Step 1: Write the proportion equation
1,092,104,184.80 : 1,638,156,277.20 = 402,506,343.20 : x - Step 2: Convert to fraction form
1,092,104,184.80/1,638,156,277.20 = 402,506,343.20/x - Step 3: Cross multiply
1,092,104,184.80x = 1,638,156,277.20 × 402,506,343.20 - Step 4: Simplify right side
1,092,104,184.80x = 659,368,292,725,897,472 - Step 5: Solve for x
x = 659,368,292,725,897,472/1,092,104,184.80 - Step 6: Final answer
x = 603,759,514.80
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Double scale
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Similar ratio
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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.