Finding the Fourth Proportional to 974,971,882.55, 1,345,463,805.81 and 528,935,245.80
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Solution
The fourth proportional to 974,971,882.55, 1,345,463,805.81 and 528,935,245.80 is: 729,932,054.02
Step by Step Solution
- Step 1: Write the proportion equation
974,971,882.55 : 1,345,463,805.81 = 528,935,245.80 : x - Step 2: Convert to fraction form
974,971,882.55/1,345,463,805.81 = 528,935,245.80/x - Step 3: Cross multiply
974,971,882.55x = 1,345,463,805.81 × 528,935,245.80 - Step 4: Simplify right side
974,971,882.55x = 711,663,228,841,115,776 - Step 5: Solve for x
x = 711,663,228,841,115,776/974,971,882.55 - Step 6: Final answer
x = 729,932,054.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.