Finding the Fourth Proportional to 2,999,823,646.68, 4,141,192,106.61 and 1,997,908,558.20
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Solution
The fourth proportional to 2,999,823,646.68, 4,141,192,106.61 and 1,997,908,558.20 is: 2,758,069,848.57
Step by Step Solution
- Step 1: Write the proportion equation
2,999,823,646.68 : 4,141,192,106.61 = 1,997,908,558.20 : x - Step 2: Convert to fraction form
2,999,823,646.68/4,141,192,106.61 = 1,997,908,558.20/x - Step 3: Cross multiply
2,999,823,646.68x = 4,141,192,106.61 × 1,997,908,558.20 - Step 4: Simplify right side
2,999,823,646.68x = 8,273,723,150,946,406,400 - Step 5: Solve for x
x = 8,273,723,150,946,406,400/2,999,823,646.68 - Step 6: Final answer
x = 2,758,069,848.57
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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.