Finding the Fourth Proportional to 8,818,374,124.56, 12,169,334,985.92 and 4,804,077,380.68
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Solution
The fourth proportional to 8,818,374,124.56, 12,169,334,985.92 and 4,804,077,380.68 is: 6,629,615,178.26
Step by Step Solution
- Step 1: Write the proportion equation
8,818,374,124.56 : 12,169,334,985.92 = 4,804,077,380.68 : x - Step 2: Convert to fraction form
8,818,374,124.56/12,169,334,985.92 = 4,804,077,380.68/x - Step 3: Cross multiply
8,818,374,124.56x = 12,169,334,985.92 × 4,804,077,380.68 - Step 4: Simplify right side
8,818,374,124.56x = 58,462,426,943,776,038,912 - Step 5: Solve for x
x = 58,462,426,943,776,038,912/8,818,374,124.56 - Step 6: Final answer
x = 6,629,615,178.26
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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.