Finding the Fourth Proportional to 1,596,715,999.20, 2,395,073,998.80 and 779,352,645.60
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Solution
The fourth proportional to 1,596,715,999.20, 2,395,073,998.80 and 779,352,645.60 is: 1,169,028,968.40
Step by Step Solution
- Step 1: Write the proportion equation
1,596,715,999.20 : 2,395,073,998.80 = 779,352,645.60 : x - Step 2: Convert to fraction form
1,596,715,999.20/2,395,073,998.80 = 779,352,645.60/x - Step 3: Cross multiply
1,596,715,999.20x = 2,395,073,998.80 × 779,352,645.60 - Step 4: Simplify right side
1,596,715,999.20x = 1,866,607,257,372,551,424 - Step 5: Solve for x
x = 1,866,607,257,372,551,424/1,596,715,999.20 - Step 6: Final answer
x = 1,169,028,968.40
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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.