Finding the Fourth Proportional to 1,406,806,316.64, 2,107,545,920.64 and 939,057,338.16
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Solution
The fourth proportional to 1,406,806,316.64, 2,107,545,920.64 and 939,057,338.16 is: 1,406,808,057.99
Step by Step Solution
- Step 1: Write the proportion equation
1,406,806,316.64 : 2,107,545,920.64 = 939,057,338.16 : x - Step 2: Convert to fraction form
1,406,806,316.64/2,107,545,920.64 = 939,057,338.16/x - Step 3: Cross multiply
1,406,806,316.64x = 2,107,545,920.64 × 939,057,338.16 - Step 4: Simplify right side
1,406,806,316.64x = 1,979,106,462,286,164,992 - Step 5: Solve for x
x = 1,979,106,462,286,164,992/1,406,806,316.64 - Step 6: Final answer
x = 1,406,808,057.99
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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.