Finding the Fourth Proportional to 75,549,555,432.96, 104,220,729,654.12 and 45,044,224,774.08
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Solution
The fourth proportional to 75,549,555,432.96, 104,220,729,654.12 and 45,044,224,774.08 is: 62,138,578,390.77
Step by Step Solution
- Step 1: Write the proportion equation
75,549,555,432.96 : 104,220,729,654.12 = 45,044,224,774.08 : x - Step 2: Convert to fraction form
75,549,555,432.96/104,220,729,654.12 = 45,044,224,774.08/x - Step 3: Cross multiply
75,549,555,432.96x = 104,220,729,654.12 × 45,044,224,774.08 - Step 4: Simplify right side
75,549,555,432.96x = 4,694,541,972,658,806,325,248 - Step 5: Solve for x
x = 4,694,541,972,658,806,325,248/75,549,555,432.96 - Step 6: Final answer
x = 62,138,578,390.77
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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.