Finding the Fourth Proportional to 946,733,430.80, 1,420,100,146.20 and 910,453,725.20
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Solution
The fourth proportional to 946,733,430.80, 1,420,100,146.20 and 910,453,725.20 is: 1,365,680,587.80
Step by Step Solution
- Step 1: Write the proportion equation
946,733,430.80 : 1,420,100,146.20 = 910,453,725.20 : x - Step 2: Convert to fraction form
946,733,430.80/1,420,100,146.20 = 910,453,725.20/x - Step 3: Cross multiply
946,733,430.80x = 1,420,100,146.20 × 910,453,725.20 - Step 4: Simplify right side
946,733,430.80x = 1,292,935,468,264,854,784 - Step 5: Solve for x
x = 1,292,935,468,264,854,784/946,733,430.80 - Step 6: Final answer
x = 1,365,680,587.80
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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.