Finding the Fourth Proportional to 749,159,979,872.68, 1,033,663,578,556.90 and 423,999,271,564.52
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Solution
The fourth proportional to 749,159,979,872.68, 1,033,663,578,556.90 and 423,999,271,564.52 is: 585,018,709,121.90
Step by Step Solution
- Step 1: Write the proportion equation
749,159,979,872.68 : 1,033,663,578,556.90 = 423,999,271,564.52 : x - Step 2: Convert to fraction form
749,159,979,872.68/1,033,663,578,556.90 = 423,999,271,564.52/x - Step 3: Cross multiply
749,159,979,872.68x = 1,033,663,578,556.90 × 423,999,271,564.52 - Step 4: Simplify right side
749,159,979,872.68x = 438,272,604,350,900,634,386,432 - Step 5: Solve for x
x = 438,272,604,350,900,634,386,432/749,159,979,872.68 - Step 6: Final answer
x = 585,018,709,121.90
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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.