Finding the Fourth Proportional to 429,772,979.24, 592,665,378.55 and 272,867,681.19
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Solution
The fourth proportional to 429,772,979.24, 592,665,378.55 and 272,867,681.19 is: 376,289,891.12
Step by Step Solution
- Step 1: Write the proportion equation
429,772,979.24 : 592,665,378.55 = 272,867,681.19 : x - Step 2: Convert to fraction form
429,772,979.24/592,665,378.55 = 272,867,681.19/x - Step 3: Cross multiply
429,772,979.24x = 592,665,378.55 × 272,867,681.19 - Step 4: Simplify right side
429,772,979.24x = 161,719,227,566,532,064 - Step 5: Solve for x
x = 161,719,227,566,532,064/429,772,979.24 - Step 6: Final answer
x = 376,289,891.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.