Finding the Fourth Proportional to 307,778,646.62, 461,668,888.45 and 74,608,434.02
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Solution
The fourth proportional to 307,778,646.62, 461,668,888.45 and 74,608,434.02 is: 111,912,873.69
Step by Step Solution
- Step 1: Write the proportion equation
307,778,646.62 : 461,668,888.45 = 74,608,434.02 : x - Step 2: Convert to fraction form
307,778,646.62/461,668,888.45 = 74,608,434.02/x - Step 3: Cross multiply
307,778,646.62x = 461,668,888.45 × 74,608,434.02 - Step 4: Simplify right side
307,778,646.62x = 34,444,392,803,008,564 - Step 5: Solve for x
x = 34,444,392,803,008,564/307,778,646.62 - Step 6: Final answer
x = 111,912,873.69
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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.