Finding the Fourth Proportional to 579,257,659.98, 868,867,258.95 and 251,733,487.08
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Solution
The fourth proportional to 579,257,659.98, 868,867,258.95 and 251,733,487.08 is: 377,591,873.21
Step by Step Solution
- Step 1: Write the proportion equation
579,257,659.98 : 868,867,258.95 = 251,733,487.08 : x - Step 2: Convert to fraction form
579,257,659.98/868,867,258.95 = 251,733,487.08/x - Step 3: Cross multiply
579,257,659.98x = 868,867,258.95 × 251,733,487.08 - Step 4: Simplify right side
579,257,659.98x = 218,722,984,905,124,864 - Step 5: Solve for x
x = 218,722,984,905,124,864/579,257,659.98 - Step 6: Final answer
x = 377,591,873.21
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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.