Finding the Fourth Proportional to 288,735,292.20, 433,102,938.30 and 224,238,037.80
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Solution
The fourth proportional to 288,735,292.20, 433,102,938.30 and 224,238,037.80 is: 336,357,056.70
Step by Step Solution
- Step 1: Write the proportion equation
288,735,292.20 : 433,102,938.30 = 224,238,037.80 : x - Step 2: Convert to fraction form
288,735,292.20/433,102,938.30 = 224,238,037.80/x - Step 3: Cross multiply
288,735,292.20x = 433,102,938.30 × 224,238,037.80 - Step 4: Simplify right side
288,735,292.20x = 97,118,153,049,806,480 - Step 5: Solve for x
x = 97,118,153,049,806,480/288,735,292.20 - Step 6: Final answer
x = 336,357,056.70
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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.