Finding the Fourth Proportional to 970,110,502.40, 1,455,178,195.20 and 323,878,246.40
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Solution
The fourth proportional to 970,110,502.40, 1,455,178,195.20 and 323,878,246.40 is: 485,821,523.32
Step by Step Solution
- Step 1: Write the proportion equation
970,110,502.40 : 1,455,178,195.20 = 323,878,246.40 : x - Step 2: Convert to fraction form
970,110,502.40/1,455,178,195.20 = 323,878,246.40/x - Step 3: Cross multiply
970,110,502.40x = 1,455,178,195.20 × 323,878,246.40 - Step 4: Simplify right side
970,110,502.40x = 471,300,562,060,892,864 - Step 5: Solve for x
x = 471,300,562,060,892,864/970,110,502.40 - Step 6: Final answer
x = 485,821,523.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.