Finding the Fourth Proportional to 1,554,826,319.80, 2,134,239,062.74 and 1,374,667,820.80
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Solution
The fourth proportional to 1,554,826,319.80, 2,134,239,062.74 and 1,374,667,820.80 is: 1,886,943,721.03
Step by Step Solution
- Step 1: Write the proportion equation
1,554,826,319.80 : 2,134,239,062.74 = 1,374,667,820.80 : x - Step 2: Convert to fraction form
1,554,826,319.80/2,134,239,062.74 = 1,374,667,820.80/x - Step 3: Cross multiply
1,554,826,319.80x = 2,134,239,062.74 × 1,374,667,820.80 - Step 4: Simplify right side
1,554,826,319.80x = 2,933,869,761,443,030,016 - Step 5: Solve for x
x = 2,933,869,761,443,030,016/1,554,826,319.80 - Step 6: Final answer
x = 1,886,943,721.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.