Finding the Fourth Proportional to 470,247,502.84, 648,863,113.20 and 261,375,246.64
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Solution
The fourth proportional to 470,247,502.84, 648,863,113.20 and 261,375,246.64 is: 360,654,241.06
Step by Step Solution
- Step 1: Write the proportion equation
470,247,502.84 : 648,863,113.20 = 261,375,246.64 : x - Step 2: Convert to fraction form
470,247,502.84/648,863,113.20 = 261,375,246.64/x - Step 3: Cross multiply
470,247,502.84x = 648,863,113.20 × 261,375,246.64 - Step 4: Simplify right side
470,247,502.84x = 169,596,756,248,248,256 - Step 5: Solve for x
x = 169,596,756,248,248,256/470,247,502.84 - Step 6: Final answer
x = 360,654,241.06
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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.