Finding the Fourth Proportional to 598,897,874.40, 898,346,811.60 and 292,032,031.20
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Solution
The fourth proportional to 598,897,874.40, 898,346,811.60 and 292,032,031.20 is: 438,048,046.80
Step by Step Solution
- Step 1: Write the proportion equation
598,897,874.40 : 898,346,811.60 = 292,032,031.20 : x - Step 2: Convert to fraction form
598,897,874.40/898,346,811.60 = 292,032,031.20/x - Step 3: Cross multiply
598,897,874.40x = 898,346,811.60 × 292,032,031.20 - Step 4: Simplify right side
598,897,874.40x = 262,346,044,113,591,712 - Step 5: Solve for x
x = 262,346,044,113,591,712/598,897,874.40 - Step 6: Final answer
x = 438,048,046.80
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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.