Finding the Fourth Proportional to 782,747,502.84, 1,080,192,248.88 and 430,329,489.52
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Solution
The fourth proportional to 782,747,502.84, 1,080,192,248.88 and 430,329,489.52 is: 593,855,077.60
Step by Step Solution
- Step 1: Write the proportion equation
782,747,502.84 : 1,080,192,248.88 = 430,329,489.52 : x - Step 2: Convert to fraction form
782,747,502.84/1,080,192,248.88 = 430,329,489.52/x - Step 3: Cross multiply
782,747,502.84x = 1,080,192,248.88 × 430,329,489.52 - Step 4: Simplify right side
782,747,502.84x = 464,838,579,043,991,232 - Step 5: Solve for x
x = 464,838,579,043,991,232/782,747,502.84 - Step 6: Final answer
x = 593,855,077.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.