Finding the Fourth Proportional to 532,478,489.62, 798,803,560.88 and 164,013,270.70
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Solution
The fourth proportional to 532,478,489.62, 798,803,560.88 and 164,013,270.70 is: 246,046,342.19
Step by Step Solution
- Step 1: Write the proportion equation
532,478,489.62 : 798,803,560.88 = 164,013,270.70 : x - Step 2: Convert to fraction form
532,478,489.62/798,803,560.88 = 164,013,270.70/x - Step 3: Cross multiply
532,478,489.62x = 798,803,560.88 × 164,013,270.70 - Step 4: Simplify right side
532,478,489.62x = 131,014,384,665,148,400 - Step 5: Solve for x
x = 131,014,384,665,148,400/532,478,489.62 - Step 6: Final answer
x = 246,046,342.19
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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.