Finding the Fourth Proportional to 898,611,759.50, 1,240,060,440.30 and 502,138,006.99
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Solution
The fourth proportional to 898,611,759.50, 1,240,060,440.30 and 502,138,006.99 is: 692,937,157.19
Step by Step Solution
- Step 1: Write the proportion equation
898,611,759.50 : 1,240,060,440.30 = 502,138,006.99 : x - Step 2: Convert to fraction form
898,611,759.50/1,240,060,440.30 = 502,138,006.99/x - Step 3: Cross multiply
898,611,759.50x = 1,240,060,440.30 × 502,138,006.99 - Step 4: Simplify right side
898,611,759.50x = 622,681,478,042,433,536 - Step 5: Solve for x
x = 622,681,478,042,433,536/898,611,759.50 - Step 6: Final answer
x = 692,937,157.19
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1.5x scale
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.