Finding the Fourth Proportional to 1,869,351,031.52, 2,579,765,953.91 and 1,022,558,975.65
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Solution
The fourth proportional to 1,869,351,031.52, 2,579,765,953.91 and 1,022,558,975.65 is: 1,411,165,044.31
Step by Step Solution
- Step 1: Write the proportion equation
1,869,351,031.52 : 2,579,765,953.91 = 1,022,558,975.65 : x - Step 2: Convert to fraction form
1,869,351,031.52/2,579,765,953.91 = 1,022,558,975.65/x - Step 3: Cross multiply
1,869,351,031.52x = 2,579,765,953.91 × 1,022,558,975.65 - Step 4: Simplify right side
1,869,351,031.52x = 2,637,962,831,235,393,024 - Step 5: Solve for x
x = 2,637,962,831,235,393,024/1,869,351,031.52 - Step 6: Final answer
x = 1,411,165,044.31
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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.