Finding the Fourth Proportional to 545,447,397.24, 818,171,106.68 and 130,924,218.48
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Solution
The fourth proportional to 545,447,397.24, 818,171,106.68 and 130,924,218.48 is: 196,386,330.32
Step by Step Solution
- Step 1: Write the proportion equation
545,447,397.24 : 818,171,106.68 = 130,924,218.48 : x - Step 2: Convert to fraction form
545,447,397.24/818,171,106.68 = 130,924,218.48/x - Step 3: Cross multiply
545,447,397.24x = 818,171,106.68 × 130,924,218.48 - Step 4: Simplify right side
545,447,397.24x = 107,118,412,724,995,696 - Step 5: Solve for x
x = 107,118,412,724,995,696/545,447,397.24 - Step 6: Final answer
x = 196,386,330.32
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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.