Finding the Fourth Proportional to 3,867,361,506,518.60, 5,336,975,471,162.60 and 2,109,549,350,426
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Solution
The fourth proportional to 3,867,361,506,518.60, 5,336,975,471,162.60 and 2,109,549,350,426 is: 2,911,187,154,201.56
Step by Step Solution
- Step 1: Write the proportion equation
3,867,361,506,518.60 : 5,336,975,471,162.60 = 2,109,549,350,426 : x - Step 2: Convert to fraction form
3,867,361,506,518.60/5,336,975,471,162.60 = 2,109,549,350,426/x - Step 3: Cross multiply
3,867,361,506,518.60x = 5,336,975,471,162.60 × 2,109,549,350,426 - Step 4: Simplify right side
3,867,361,506,518.60x = 11,258,613,138,430,557,893,427,200 - Step 5: Solve for x
x = 11,258,613,138,430,557,893,427,200/3,867,361,506,518.60 - Step 6: Final answer
x = 2,911,187,154,201.56
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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.