Finding the Fourth Proportional to 254,920,330.67, 380,929,306.21 and 191,408,327.06
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Solution
The fourth proportional to 254,920,330.67, 380,929,306.21 and 191,408,327.06 is: 286,022,856.78
Step by Step Solution
- Step 1: Write the proportion equation
254,920,330.67 : 380,929,306.21 = 191,408,327.06 : x - Step 2: Convert to fraction form
254,920,330.67/380,929,306.21 = 191,408,327.06/x - Step 3: Cross multiply
254,920,330.67x = 380,929,306.21 × 191,408,327.06 - Step 4: Simplify right side
254,920,330.67x = 72,913,041,227,399,408 - Step 5: Solve for x
x = 72,913,041,227,399,408/254,920,330.67 - Step 6: Final answer
x = 286,022,856.78
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.