Finding the Fourth Proportional to 674,091,988,618.58, 930,316,278,686.67 and 410,135,426,642.98
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Solution
The fourth proportional to 674,091,988,618.58, 930,316,278,686.67 and 410,135,426,642.98 is: 566,029,073,649.12
Step by Step Solution
- Step 1: Write the proportion equation
674,091,988,618.58 : 930,316,278,686.67 = 410,135,426,642.98 : x - Step 2: Convert to fraction form
674,091,988,618.58/930,316,278,686.67 = 410,135,426,642.98/x - Step 3: Cross multiply
674,091,988,618.58x = 930,316,278,686.67 × 410,135,426,642.98 - Step 4: Simplify right side
674,091,988,618.58x = 381,555,663,872,066,869,788,672 - Step 5: Solve for x
x = 381,555,663,872,066,869,788,672/674,091,988,618.58 - Step 6: Final answer
x = 566,029,073,649.12
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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.