Finding the Fourth Proportional to 717,719,370.13, 1,076,579,053.98 and 172,460,904.13
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Solution
The fourth proportional to 717,719,370.13, 1,076,579,053.98 and 172,460,904.13 is: 258,691,355.90
Step by Step Solution
- Step 1: Write the proportion equation
717,719,370.13 : 1,076,579,053.98 = 172,460,904.13 : x - Step 2: Convert to fraction form
717,719,370.13/1,076,579,053.98 = 172,460,904.13/x - Step 3: Cross multiply
717,719,370.13x = 1,076,579,053.98 × 172,460,904.13 - Step 4: Simplify right side
717,719,370.13x = 185,667,797,011,427,968 - Step 5: Solve for x
x = 185,667,797,011,427,968/717,719,370.13 - Step 6: Final answer
x = 258,691,355.90
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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.