Finding the Fourth Proportional to 357,293,313.80, 535,939,970.70 and 175,894,785.80
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Solution
The fourth proportional to 357,293,313.80, 535,939,970.70 and 175,894,785.80 is: 263,842,178.70
Step by Step Solution
- Step 1: Write the proportion equation
357,293,313.80 : 535,939,970.70 = 175,894,785.80 : x - Step 2: Convert to fraction form
357,293,313.80/535,939,970.70 = 175,894,785.80/x - Step 3: Cross multiply
357,293,313.80x = 535,939,970.70 × 175,894,785.80 - Step 4: Simplify right side
357,293,313.80x = 94,269,046,347,934,784 - Step 5: Solve for x
x = 94,269,046,347,934,784/357,293,313.80 - Step 6: Final answer
x = 263,842,178.70
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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.