Finding the Fourth Proportional to 974,523,058.05, 1,344,898,699.80 and 551,174,251.07
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Solution
The fourth proportional to 974,523,058.05, 1,344,898,699.80 and 551,174,251.07 is: 760,652,636.69
Step by Step Solution
- Step 1: Write the proportion equation
974,523,058.05 : 1,344,898,699.80 = 551,174,251.07 : x - Step 2: Convert to fraction form
974,523,058.05/1,344,898,699.80 = 551,174,251.07/x - Step 3: Cross multiply
974,523,058.05x = 1,344,898,699.80 × 551,174,251.07 - Step 4: Simplify right side
974,523,058.05x = 741,273,533,620,557,312 - Step 5: Solve for x
x = 741,273,533,620,557,312/974,523,058.05 - Step 6: Final answer
x = 760,652,636.69
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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.