Finding the Fourth Proportional to 70,724,553,861.14, 97,599,387,826.48 and 38,609,916,014.12
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Solution
The fourth proportional to 70,724,553,861.14, 97,599,387,826.48 and 38,609,916,014.12 is: 53,281,413,049.40
Step by Step Solution
- Step 1: Write the proportion equation
70,724,553,861.14 : 97,599,387,826.48 = 38,609,916,014.12 : x - Step 2: Convert to fraction form
70,724,553,861.14/97,599,387,826.48 = 38,609,916,014.12/x - Step 3: Cross multiply
70,724,553,861.14x = 97,599,387,826.48 × 38,609,916,014.12 - Step 4: Simplify right side
70,724,553,861.14x = 3,768,304,167,009,918,648,320 - Step 5: Solve for x
x = 3,768,304,167,009,918,648,320/70,724,553,861.14 - Step 6: Final answer
x = 53,281,413,049.40
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1.5x scale
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.