Finding the Fourth Proportional to 339,403,398.54, 508,896,738.66 and 131,899,519.08
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Solution
The fourth proportional to 339,403,398.54, 508,896,738.66 and 131,899,519.08 is: 197,768,305.74
Step by Step Solution
- Step 1: Write the proportion equation
339,403,398.54 : 508,896,738.66 = 131,899,519.08 : x - Step 2: Convert to fraction form
339,403,398.54/508,896,738.66 = 131,899,519.08/x - Step 3: Cross multiply
339,403,398.54x = 508,896,738.66 × 131,899,519.08 - Step 4: Simplify right side
339,403,398.54x = 67,123,235,090,634,448 - Step 5: Solve for x
x = 67,123,235,090,634,448/339,403,398.54 - Step 6: Final answer
x = 197,768,305.74
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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.