Finding the Fourth Proportional to 354,863,598,487.74, 532,290,748,229.56 and 86,251,798,378.26
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Solution
The fourth proportional to 354,863,598,487.74, 532,290,748,229.56 and 86,251,798,378.26 is: 129,376,567,477.08
Step by Step Solution
- Step 1: Write the proportion equation
354,863,598,487.74 : 532,290,748,229.56 = 86,251,798,378.26 : x - Step 2: Convert to fraction form
354,863,598,487.74/532,290,748,229.56 = 86,251,798,378.26/x - Step 3: Cross multiply
354,863,598,487.74x = 532,290,748,229.56 × 86,251,798,378.26 - Step 4: Simplify right side
354,863,598,487.74x = 45,911,034,294,909,158,817,792 - Step 5: Solve for x
x = 45,911,034,294,909,158,817,792/354,863,598,487.74 - Step 6: Final answer
x = 129,376,567,477.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.