Finding the Fourth Proportional to 1,788,872,539.90, 2,684,534,507.61 and 624,341,030.68
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Solution
The fourth proportional to 1,788,872,539.90, 2,684,534,507.61 and 624,341,030.68 is: 936,939,331.33
Step by Step Solution
- Step 1: Write the proportion equation
1,788,872,539.90 : 2,684,534,507.61 = 624,341,030.68 : x - Step 2: Convert to fraction form
1,788,872,539.90/2,684,534,507.61 = 624,341,030.68/x - Step 3: Cross multiply
1,788,872,539.90x = 2,684,534,507.61 × 624,341,030.68 - Step 4: Simplify right side
1,788,872,539.90x = 1,676,065,041,377,253,632 - Step 5: Solve for x
x = 1,676,065,041,377,253,632/1,788,872,539.90 - Step 6: Final answer
x = 936,939,331.33
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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.