Finding the Fourth Proportional to 455,751,806.14, 628,938,130.68 and 246,907,948.80
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Solution
The fourth proportional to 455,751,806.14, 628,938,130.68 and 246,907,948.80 is: 340,733,315.10
Step by Step Solution
- Step 1: Write the proportion equation
455,751,806.14 : 628,938,130.68 = 246,907,948.80 : x - Step 2: Convert to fraction form
455,751,806.14/628,938,130.68 = 246,907,948.80/x - Step 3: Cross multiply
455,751,806.14x = 628,938,130.68 × 246,907,948.80 - Step 4: Simplify right side
455,751,806.14x = 155,289,823,768,305,152 - Step 5: Solve for x
x = 155,289,823,768,305,152/455,751,806.14 - Step 6: Final answer
x = 340,733,315.10
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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.