Finding the Fourth Proportional to 1,326,097,166.90, 1,989,145,752.29 and 538,966,402.99
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Solution
The fourth proportional to 1,326,097,166.90, 1,989,145,752.29 and 538,966,402.99 is: 808,449,605.27
Step by Step Solution
- Step 1: Write the proportion equation
1,326,097,166.90 : 1,989,145,752.29 = 538,966,402.99 : x - Step 2: Convert to fraction form
1,326,097,166.90/1,989,145,752.29 = 538,966,402.99/x - Step 3: Cross multiply
1,326,097,166.90x = 1,989,145,752.29 × 538,966,402.99 - Step 4: Simplify right side
1,326,097,166.90x = 1,072,082,731,121,938,432 - Step 5: Solve for x
x = 1,072,082,731,121,938,432/1,326,097,166.90 - Step 6: Final answer
x = 808,449,605.27
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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.