Finding the Fourth Proportional to 453,485,161.76, 625,807,988.55 and 255,246,541.70
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Solution
The fourth proportional to 453,485,161.76, 625,807,988.55 and 255,246,541.70 is: 352,239,363.74
Step by Step Solution
- Step 1: Write the proportion equation
453,485,161.76 : 625,807,988.55 = 255,246,541.70 : x - Step 2: Convert to fraction form
453,485,161.76/625,807,988.55 = 255,246,541.70/x - Step 3: Cross multiply
453,485,161.76x = 625,807,988.55 × 255,246,541.70 - Step 4: Simplify right side
453,485,161.76x = 159,735,324,842,491,648 - Step 5: Solve for x
x = 159,735,324,842,491,648/453,485,161.76 - Step 6: Final answer
x = 352,239,363.74
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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.