Finding the Fourth Proportional to 771,713,972.99, 1,156,985,193.35 and 397,818,952.68
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Solution
The fourth proportional to 771,713,972.99, 1,156,985,193.35 and 397,818,952.68 is: 596,426,466.28
Step by Step Solution
- Step 1: Write the proportion equation
771,713,972.99 : 1,156,985,193.35 = 397,818,952.68 : x - Step 2: Convert to fraction form
771,713,972.99/1,156,985,193.35 = 397,818,952.68/x - Step 3: Cross multiply
771,713,972.99x = 1,156,985,193.35 × 397,818,952.68 - Step 4: Simplify right side
771,713,972.99x = 460,270,637,882,775,232 - Step 5: Solve for x
x = 460,270,637,882,775,232/771,713,972.99 - Step 6: Final answer
x = 596,426,466.28
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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.