Finding the Fourth Proportional to 357,468,209.60, 536,202,314.40 and 235,024,203.20
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Solution
The fourth proportional to 357,468,209.60, 536,202,314.40 and 235,024,203.20 is: 352,536,304.80
Step by Step Solution
- Step 1: Write the proportion equation
357,468,209.60 : 536,202,314.40 = 235,024,203.20 : x - Step 2: Convert to fraction form
357,468,209.60/536,202,314.40 = 235,024,203.20/x - Step 3: Cross multiply
357,468,209.60x = 536,202,314.40 × 235,024,203.20 - Step 4: Simplify right side
357,468,209.60x = 126,020,521,695,855,872 - Step 5: Solve for x
x = 126,020,521,695,855,872/357,468,209.60 - Step 6: Final answer
x = 352,536,304.80
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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.