Finding the Fourth Proportional to 987,433,956.07, 1,480,924,281.79 and 588,705,347.08
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Solution
The fourth proportional to 987,433,956.07, 1,480,924,281.79 and 588,705,347.08 is: 882,922,891.15
Step by Step Solution
- Step 1: Write the proportion equation
987,433,956.07 : 1,480,924,281.79 = 588,705,347.08 : x - Step 2: Convert to fraction form
987,433,956.07/1,480,924,281.79 = 588,705,347.08/x - Step 3: Cross multiply
987,433,956.07x = 1,480,924,281.79 × 588,705,347.08 - Step 4: Simplify right side
987,433,956.07x = 871,828,043,312,939,136 - Step 5: Solve for x
x = 871,828,043,312,939,136/987,433,956.07 - Step 6: Final answer
x = 882,922,891.15
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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.