Finding the Fourth Proportional to 974,971,904.26, 1,345,463,835.82 and 528,935,267.52
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Solution
The fourth proportional to 974,971,904.26, 1,345,463,835.82 and 528,935,267.52 is: 729,932,084.02
Step by Step Solution
- Step 1: Write the proportion equation
974,971,904.26 : 1,345,463,835.82 = 528,935,267.52 : x - Step 2: Convert to fraction form
974,971,904.26/1,345,463,835.82 = 528,935,267.52/x - Step 3: Cross multiply
974,971,904.26x = 1,345,463,835.82 × 528,935,267.52 - Step 4: Simplify right side
974,971,904.26x = 711,663,273,937,937,024 - Step 5: Solve for x
x = 711,663,273,937,937,024/974,971,904.26 - Step 6: Final answer
x = 729,932,084.02
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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.