Finding the Fourth Proportional to 56,400,220,050,521, 84,638,974,317,580 and 19,684,451,271,688
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Solution
The fourth proportional to 56,400,220,050,521, 84,638,974,317,580 and 19,684,451,271,688 is: 29,540,164,278,572.97
Step by Step Solution
- Step 1: Write the proportion equation
56,400,220,050,521 : 84,638,974,317,580 = 19,684,451,271,688 : x - Step 2: Convert to fraction form
56,400,220,050,521/84,638,974,317,580 = 19,684,451,271,688/x - Step 3: Cross multiply
56,400,220,050,521x = 84,638,974,317,580 × 19,684,451,271,688 - Step 4: Simplify right side
56,400,220,050,521x = 1,666,071,765,640,055,483,889,876,992 - Step 5: Solve for x
x = 1,666,071,765,640,055,483,889,876,992/56,400,220,050,521 - Step 6: Final answer
x = 29,540,164,278,572.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.