Finding the Fourth Proportional to 357,468,221.60, 536,202,332.40 and 235,024,215.20
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Solution
The fourth proportional to 357,468,221.60, 536,202,332.40 and 235,024,215.20 is: 352,536,322.80
Step by Step Solution
- Step 1: Write the proportion equation
357,468,221.60 : 536,202,332.40 = 235,024,215.20 : x - Step 2: Convert to fraction form
357,468,221.60/536,202,332.40 = 235,024,215.20/x - Step 3: Cross multiply
357,468,221.60x = 536,202,332.40 × 235,024,215.20 - Step 4: Simplify right side
357,468,221.60x = 126,020,532,360,719,520 - Step 5: Solve for x
x = 126,020,532,360,719,520/357,468,221.60 - Step 6: Final answer
x = 352,536,322.80
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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.