Finding the Fourth Proportional to 374,980,506.75, 517,477,237.07 and 207,719,329.95
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Solution
The fourth proportional to 374,980,506.75, 517,477,237.07 and 207,719,329.95 is: 286,654,967.43
Step by Step Solution
- Step 1: Write the proportion equation
374,980,506.75 : 517,477,237.07 = 207,719,329.95 : x - Step 2: Convert to fraction form
374,980,506.75/517,477,237.07 = 207,719,329.95/x - Step 3: Cross multiply
374,980,506.75x = 517,477,237.07 × 207,719,329.95 - Step 4: Simplify right side
374,980,506.75x = 107,490,024,947,519,104 - Step 5: Solve for x
x = 107,490,024,947,519,104/374,980,506.75 - Step 6: Final answer
x = 286,654,967.43
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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.