Finding the Fourth Proportional to 974,971,951.16, 1,345,463,900.44 and 528,935,314.41
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Solution
The fourth proportional to 974,971,951.16, 1,345,463,900.44 and 528,935,314.41 is: 729,932,148.68
Step by Step Solution
- Step 1: Write the proportion equation
974,971,951.16 : 1,345,463,900.44 = 528,935,314.41 : x - Step 2: Convert to fraction form
974,971,951.16/1,345,463,900.44 = 528,935,314.41/x - Step 3: Cross multiply
974,971,951.16x = 1,345,463,900.44 × 528,935,314.41 - Step 4: Simplify right side
974,971,951.16x = 711,663,371,205,214,080 - Step 5: Solve for x
x = 711,663,371,205,214,080/974,971,951.16 - Step 6: Final answer
x = 729,932,148.68
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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.