Finding the Fourth Proportional to 1,448,698,106.40, 2,173,047,159.60 and 528,268,538.40
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Solution
The fourth proportional to 1,448,698,106.40, 2,173,047,159.60 and 528,268,538.40 is: 792,402,807.60
Step by Step Solution
- Step 1: Write the proportion equation
1,448,698,106.40 : 2,173,047,159.60 = 528,268,538.40 : x - Step 2: Convert to fraction form
1,448,698,106.40/2,173,047,159.60 = 528,268,538.40/x - Step 3: Cross multiply
1,448,698,106.40x = 2,173,047,159.60 × 528,268,538.40 - Step 4: Simplify right side
1,448,698,106.40x = 1,147,952,446,876,163,456 - Step 5: Solve for x
x = 1,147,952,446,876,163,456/1,448,698,106.40 - Step 6: Final answer
x = 792,402,807.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.