Finding the Fourth Proportional to 974,971,881.05, 1,345,463,803.73 and 528,935,244.30
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Solution
The fourth proportional to 974,971,881.05, 1,345,463,803.73 and 528,935,244.30 is: 729,932,051.95
Step by Step Solution
- Step 1: Write the proportion equation
974,971,881.05 : 1,345,463,803.73 = 528,935,244.30 : x - Step 2: Convert to fraction form
974,971,881.05/1,345,463,803.73 = 528,935,244.30/x - Step 3: Cross multiply
974,971,881.05x = 1,345,463,803.73 × 528,935,244.30 - Step 4: Simplify right side
974,971,881.05x = 711,663,225,724,057,216 - Step 5: Solve for x
x = 711,663,225,724,057,216/974,971,881.05 - Step 6: Final answer
x = 729,932,051.95
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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.