Finding the Fourth Proportional to 368,422,960,085.80, 552,634,440,128.70 and 103,427,345,609.80
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Solution
The fourth proportional to 368,422,960,085.80, 552,634,440,128.70 and 103,427,345,609.80 is: 155,141,018,414.70
Step by Step Solution
- Step 1: Write the proportion equation
368,422,960,085.80 : 552,634,440,128.70 = 103,427,345,609.80 : x - Step 2: Convert to fraction form
368,422,960,085.80/552,634,440,128.70 = 103,427,345,609.80/x - Step 3: Cross multiply
368,422,960,085.80x = 552,634,440,128.70 × 103,427,345,609.80 - Step 4: Simplify right side
368,422,960,085.80x = 57,157,513,235,069,377,970,176 - Step 5: Solve for x
x = 57,157,513,235,069,377,970,176/368,422,960,085.80 - Step 6: Final answer
x = 155,141,018,414.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.