Finding the Fourth Proportional to 818,502,792.04, 1,129,549,053.54 and 447,248,869.48
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Solution
The fourth proportional to 818,502,792.04, 1,129,549,053.54 and 447,248,869.48 is: 617,211,745.80
Step by Step Solution
- Step 1: Write the proportion equation
818,502,792.04 : 1,129,549,053.54 = 447,248,869.48 : x - Step 2: Convert to fraction form
818,502,792.04/1,129,549,053.54 = 447,248,869.48/x - Step 3: Cross multiply
818,502,792.04x = 1,129,549,053.54 × 447,248,869.48 - Step 4: Simplify right side
818,502,792.04x = 505,189,537,217,969,024 - Step 5: Solve for x
x = 505,189,537,217,969,024/818,502,792.04 - Step 6: Final answer
x = 617,211,745.80
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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.